Selected Publications on the Water Resources of Maryland, Delaware, and Washington D.C. Area, 1886 to Present

U.S. Geological Survey Publications that pertain to the water resources of Maryland, Delaware, and Washington, D.C, include:

• Water-Resources Investigations Reports
• Open-File Reports
• Fact Sheets
• Professional Papers
• Water-Supply Papers
• Circulars
• Water-Data Reports
• Bulletins
• Hydrologic Investigations Atlases
• Correlation Charts
• Geophysical Investigations Maps
• Mineral Investigations Resource Maps
• Oil and Gas Investigations Maps
• Miscellaneous Geologic Investigations Maps
• Miscellaneous Field Studies Maps
• Journal Articles
  • Chemical Geology
  • Journal of American Water Resources Association
  • Journal of Environmental Quality
  • Journal of Hydrology
  • Environmental Science and Technology
  • Ground Water
  • In Situ and On-Site Bioremediation
  • Susquehanna Guardian
  • Water Resources Bulletin
  • Water Resources Research
  • Water, Soil, and Air Pollution
• Unnumbered Reports
• Abstracts, Articles, and Papers
• Cooperators
  • Delaware Geological Survey
  • Maryland Geological Survey
  • Maryland Department of Natural Resources

• Abstracts

An asterisk (*) indicates that the publication is out of print and not purchasable from any official source.

Water-Resources Investigations Reports

When ordering Water-Resources Investigations Reports, give complete number, such as WRIR 91-4094 and full title if known. Include your full address and zip code, plainly printed. Water-Resources Investigations Reports can be purchased either as microfiche or paper copy. Prepayment is required and should be made by check or money order payable to:

U.S. Geological Survey
Branch of Information Services
Box 25425 Denver Federal Center
Denver, CO 80225
[(303)-236-7476].

Reports with numbers less than -4000 may be purchased from:

The National Technical Information Service (NTIS)
5285 Port Royal Road
Springfield, VA 22161
[(703)-487-4600]

The NTIS order number (if available) is given in parenthesis at the end of the citation. Further information about these reports may be obtained from:

U.S. Geological Survey Maryland-Delaware-D.C. District
8987 Yellow Brick Road
Baltimore, MD 21237
[(410) 238-4200].

• WRIR 00-4051 Krantz, David E. and Powars, David S., Hydrogeologic Setting and Potential for Denitrification in Ground Water, Coastal Plain of Southern Maryland

• WRIR 99-4167 Dillow, Jonathan J.A., and Greene, Earl A., Ground-Water Discharge and Nitrate Loadings to the Coastal Bays of Maryland

• WRIR 99-4054 Preston, Stephen D. and Brakebill, John W., Application of Spatially Referenced Regression Modeling for the Evaluation of Total Nitrogen Loading in the Chesapeake Bay Watershed 1 table, 12 figures, 12 p.

• WRIR 99-4167 Dillow, Jonathan J.A., and Greene, Earl A. Ground-Water Discharge and Nitrate Loadings to the Coastal Bays of Maryland

• WRIR 98-4177 Darrell, Linda C., Feit-Majedi, Brenda, Lizarraga, Joy S., and Blomquist, Joel D., Nutrient and suspended-sediment concentrations, trends, loads, and yields from the nontidal part of the Susquehanna, Potomac, Patuxent, and Choptank Rivers, 1985-96, 13 tables, 10 figures, 38 p.

• WRIR 98-4107 Koterba,M.T., Ground-Water Data Collection Protocols and Procedures for the National Water-Quality Assessment Program Collection, Documentation, and Compilation of Required Site, well, Subsurface and Landscape Data for Wells, 17 tables, 2 appendices [A-3, 4, 6, and B1-B8], 5 figures, 91 p.

• WRIR 98-4059 Bachman, L.J., Lindsey, B., Brakebill, J., and Powars, D.S., Ground-Water Discharge and Base Flow Nitrate Loads of Nontidal Streams, and Their Relation to a Hydrogeomorphic Classification of the Chesapeake Bay Watershed, Middle Atlantic Coast, 71 p.

• WRIR 98-4054 Ferrari, M.J. and Denis, J.M. Water-Quality Assessment of the Potomac River Basin: Occurrence of Pesticides in the Great Valley Carbonate Subunit 12 tables, 23 figures, 35 p.

• WRIR 98-4047 Donnelly, C.A. and Tenbus, F.J., Temporal and Vertical Variation of Hydraulic Aquifers in the Edgewood Area, Aberdeen Proving Ground, Maryland, 5 tables, 12 figures, 26 p.

• WRIR 98-4037 Phelan, D.J., Olsen, L.D., Cashel, M.L., Tegeler, J.L., and Marchand, E.H., Assessment of Soil, Surface Water, and Ground-Water Contamination at Selected Sites at J-Field, Aberdeen Proving Ground, Maryland, 18 tables, 19 figures, 76 p.

• WRIR 97-4280 Ferrari, M.J., Ator, S.W., Blomquist, J.D., and Dysart, J.E., Pesticides in Surface Water of the Mid-Atlantic Region, 12 p.

• WRIR 97-4279 Dillow, J.J.A., Technique for Simulating Peak-Flow Hydrographs in Maryland, 39 p.

• WRIR 97-4225 Focazio, M.J., Plummer, L.N., Bohlke, J.K., Busenberg, E., Bachman, L.J., and Powars, D.S., Preliminary Estimates of Residence Times and Apparent Ages of Ground Water in the Chesapeake Bay Watershed,and Water Quality Data From a Survey of Springs, 75 p.

• WRIR 97-4171 Lorah, M.M., Olsen, L.D., Smith, B.L., Johnson, M.A., and Fleck, W.B., Natural Attenuation of Chlorinated Volatile Organic Compounds in a Freshwater Tidal Wetland, Aberdeen Proving Ground, Maryland, 95 p.

• WRIR-97-4154 Lizarraga, J.S., 1997, Estimation and Analysis of Nutrient and Suspended-Sediment Loads at Selected Sites in the Potomac River Basin, 1993-95, 23 p.

• WRIR 97-4139 Ator, S.W., and Ferrari, M.J., Nitrate and Selected Pesticides in Ground-Water of the Mid-Atlantic Region, 8 p.

• WRIR 97-4051 Zappia, Humbert, and Fisher, G.T., Water-Quality Assessment of the Potomac River Basin: Analysis of Available Pesticide Data, 1972-90, 80 p.

• WRIR 96-4314 Wheeler, J.C., Water Withdrawal and Use in Maryland, 1992-93, 42 p.

• WRIR 96-4273 Preston, S.D., Study of Nonpoint-Source Nutrient Loading in the Patuxent River Basin, Maryland, 6 p.

• WRIR 96-4268 Ator, S.W., and Denis, J.M., Relation of nitrogen and Phosphorus in Ground-Water to Land-Use in Four Subunits of the Potomac River Basin, 26 p.

• WRIR 96-4233 Guidelines and Standard Procedures for Studies of Ground-Water Quality; Selection and Installation of Wells, 110 p.

• WRIR 96-4210 Zappia, Humbert, Chlordane, DDT, PCb's, and Other Selected Organic Compounds in Asiatic Clams and Yellow Bullhead in the Potomac River Basin, Maryland, 1992, 6 p.

• WRIR 96-4175 Preston, S.D., and Summers, R.M., Estimation of Nutrient and Suspended Sediment Loads in the Patuxent River Basin, Maryland, Water Years 1986-90, 69 p.

• WRIR 96-4169 Tenbus, F.J., and Phillips, S.W., Hydrogeology and Chemical Quality of Water and Soil at Carroll Island, Aberdeen Proving Ground, Maryland, 156 p.

• WRIR 96-4156 Lindsey, B.D., and Ator, S.W., Radon in ground water of the Lower Susquehanna and Potomac River Basin, 6 p.

• WRIR 96-4044 Tenbus, F.J., and Fleck, W.B., Ground-water flow and the Potential Effects of Remediation at Graces Quarters, Aberdeen Proving Ground, Maryland, 31 p.

• WRIR 96-4034 Gerhart, J.M., and Brakebill, J.W., Design and Implementation of a Sampling Strategy for a Water-Quality Assessment of the Potomac River Basin, 31 p.

• WRIR 95-4267 Gerhart, J.M., and Blomquist, J.D., Selected Trace-Element and Organic Contaminants in Streambed Sediments of the Potomac River Basin, August 1992, 12 p.

• WRIR 95-4248 Banks, W.S.L., Smith, B.S., and Donnelly, C.A., Hydrogeologic Setting, Hydraulic Properties and Ground-Water Flow at the O-Field Area of Aberdeen Proving Ground, Maryland, 29 p.

• WRIR 85-4244 Trombley, T.J., and Zynjuk, L.D., Hydrogeology and water quality of the Catoctin Mountain National Park area, Frederick County, Maryland, 41 p.

• WRIR 95-4221 Blomquist, J.D., and others, Water-quality assessment of the Potomac River Basin: Basin description and analysis of available nutrient data, 1970-90, 88 p.

• WRIR 95-4155 Rice, K.C., and Bricker, O.P., Hydrologic and geochemical factors affecting the chemistry of small headwater streams in response to acidic deposition on Catoctin Mountain, North-Central Maryland, 63 p.

• WRIR 95-4154 Dillow, J.J.A., Technique for estimating magnitude and frequency of peak flows in Maryland, 55 p.

• WRIR 95-4153 Dillow, J.J.A., Technique for estimating magnitude and frequency of peak flows in Delaware, 26 p, 3 plates.

• WRIR 95-4099 Ferrari, M.J., and Ator, S.C., Nitrate in ground water in the Great Valley carbonate subunit of the Potomac River Basin, 6 p.

• WRIR 95-4075 Hughes, W.B., Ground-water flow and the possible effects of remedial actions at J-Field, Aberdeen Proving Ground, Maryland, 39 p.

• WRIR 94-4188 Paulachok, G.N., Simmons, R.H., and Tallmon, A.J., Storm and flood of July 5, 1989 in Northern New Castle County, Delaware, 29 p.

• WRIR 94-4175 Tenbus, F.T., and Blomquist, J.D., Hydrogeology and water quality in the Graces Quarters Area of Aberdeen Proving Ground, Maryland, 115 p.

• WRIR 94-4170 McFarland, E.R., Relation of land use to nitrogen concentration in ground water in the Patuxent River Basin, Maryland, 20 p.

• WRIR 94-4020 Carpenter, D.H., and Hayes, D.C., Low flow characteristic of streams in Maryland and Delaware, 113 p, 10 plates.

• WRIR 93-4225 Wheeler, J.C., Water withdrawal and use in Maryland, 1970-1991, 42 p.

• WRIR 92-4087 Hughes, W.B., Hydrogeology and soil gas at J-Field, Aberdeen Proving Ground, Maryland, 83 p.

• WRIR 91-4094 Mack, F.K., Andreasen, D.C., Curtin, S.E., and Wheeler, J.C., Potentiometric surface of the Aquia aquifer in southern Maryland, September 1989, 1 sheet, 1:250,000.

• WRIR 91-4093 Mack, F.K., Andreasen, D.C., Curtin, S.E., and Wheeler, J.C., Potentiometric surface of the Magothy aquifer in southern Maryland during September 1989, 1 sheet, 1:250,000.

• WRIR 91-4059 Hiortdahl, S.N., Preliminary assessment of the geologic framework, hydrogeology, and ground-water quality of the Potomac Group aquifer system, northwestern Charles County, Maryland,

• WRIR 90-4094 Phelan, D.J., Water use in the St. Jones River basin, Kent County, Delaware 1983-86, 30 p.

• WRIR 90-4040 Mack, F.K., Andreasen, D.C., Curtin, S.E., and Wheeler, J.C., Potentiometric surface of the Magothy aquifer in southern Maryland during September 1988, 1 sheet, 1:250,000.

• WRIR 90-4039 Mack, F.K., Andreasen, D.C. Curtin, S.E., and Wheeler, J.C., The difference between the potentiometric surfaces of the Aquia aquifer of September 1986 and September 1988 in southern Maryland, 1 sheet, 1:250,000.

• WRIR 90-4038 Mack, F.K., Andreasen, D.C., Curtin, S.E., and Wheeler, J.C., The difference between the potentiometric surfaces of the Magothy aquifer from the fall of September 1986 and September 1988, 1 sheet, 1:250,000.

• WRIR 90-4037 Mack, F.K., Andreasen, D.C., Curtin, S.E., and Wheeler, J.C., Change in potentiometric surface of the Aquia aquifer during September 1988, 1 sheet, 1:250,000.

• WRIR 89-4139 Trombley, T.J., Areal and temporal variations in surface-water quality in the Upper Potomac River basin, 78 p.

• WRIR 89-4022 Lorah, M.M., and Vroblesky, D.A., 1989, Inorganic and organic ground-water chemistry in the Canal Creek area of Aberdeen Proving Ground, Maryland, 97 p.

• WRIR 89-4021 Oliveros, J.P., and Vroblesky, D.A., Hydrogeology of the Canal Creek area of Aberdeen Proving Ground Maryland, 50 p.

• WRIR 89-4013 Mack, F.K., Andreasen, D.C., Curtin, S.E., and Wheeler, J.C., Potentiometric surface of the Magothy aquifer in southern Maryland during the fall of 1987, 1 sheet, 1:250,000.

• WRIR 89-4012 Mack, F.K., Andreasen, D.C., Curtin, S.E., and Wheeler, J.C. , Potentiometric surface of the Aquia aquifer in southern Maryland during the fall of 1987, 1 sheet, 1:250,000.

• WRIR 88-4213 Carpenter, D.H., Floods in West Virginia, Pennsylvania, and Maryland, November 1985, 86 p.

• WRIR 87-4229 Phelan, D.J., Water levels, chloride concentrations, and pumpage in the coastal aquifers of Delaware and Maryland, 106 p.

• WRIR 87-4217 Mack, F.K., Andreasen, D.C., Curtin, S.E., and Wheeler, J.C., Difference between the potentiometric surfaces of the Magothy aquifer in the fall of 1975 and fall of 1986 in southern Maryland, 1 sheet, 1:250,000.

• WRIR 87-4216 Mack, F.K., , Andreasen, D.C., Curtin, S.E., and Wheeler, J.C., Potentiometric surface of the Magothy aquifer in southern Maryland during the fall of 1986, 1 sheet, 1:250,000.

• WRIR 87-4215 Mack, F.K., Andreasen, D.C., Curtin, S.E., and Wheeler, J.C., Difference between the potentiometric surfaces of the Aquia aquifer in spring of 1979 and fall of 1986 in southern Maryland, 1 sheet, 1:250,000.

• WRIR 87-4214 Mack, F.K., Wheeler, J.C., Curtin, S.E., and Andreasen, D.C., Potentiometric surface of the Aquia aquifer in southern Maryland during fall of 1986, 1 sheet, 1:250,000.

• WRIR 87-4185 Phillips, S.W., Hydrogeology, degradation of ground-water quality, and simulation of infiltration from the Delaware River into the Potomac aquifers, northern Delaware, 86 p.

• WRIR 87-4093 Carpenter, D.H., Cost-effectiveness of the stream-gaging program in Maryland, Delaware, and the District of Columbia, 85 p.

• WRIR 87-4029 Mack, F.K., Wheeler, J.C., Curtin, S.E., and Andreasen, D.C., The potentiometric surface of the Magothy aquifer in southern Maryland, September 1985, 1 sheet, 1:250,000.

• WRIR 87-4025 Mack, F.K., Wheeler, J.C., Curtin, S.E., and Andreasen, D.C., The potentiometric surfaces of the Magothy aquifer in southern Maryland, September 1985, 1 sheet, 1:250,000.

• WRIR 86-4097 Hopkins, H.T., Fisher, G.T. , and McGreevy, L.J., Reconnaissance of the ground-water, surface-water system in the Zekiah Swamp Run Basin, Charles and Prince Georges Counties, Maryland, 48 p, 1 plate.

• WRIR 85-4339 Mack, F.K., Wheeler, J.C., Curtin, S.E., and Andreasen, D.C., Preliminary map showing the difference between the potentiometric surface of the Aquia aquifer of September 1982 and September 1984 in southern Maryland, 1 sheet, 1:250,000.

• WRIR 85-4338 Mack, F.K., Wheeler, J.C., Curtin, S.E., and Andreasen, D.C., Preliminary map showing the potentiometric surface of the Aquia aquifer in southern Maryland, September 1984, 1 sheet, 1:250,000.

• WRIR 85-4337 Mack, F.K., Wheeler, J.C., Curtin, S.E., and Andreasen, D.C., The difference between the potentiometric surfaces of the Magothy aquifer of September 1982 and September 1984 in southern Maryland, 1 sheet, 1:250,000.

• WRIR 85-4241 Trombley, T.J., and Zynjuk, L.D., Hydrogeology and water quality of the Catoctin Mountain National Park area, Frederick County, Maryland, 41 p.

• WRIR 85-4203 Mack, F.K., Wheeler, J.C., Curtin, S.E., and Andreasen, D.C., The potentiometric surface of the Magothy aquifer in southern Maryland, September 1984, 1 sheet, 1:250,000.

• WRIR 85-4000 Mack, F.K., Wheeler, J.C., and Curtin, S.E., Map showing the potentiometric surface of the Magothy aquifer in southern Maryland, September 1983, 1 sheet, 1:250,000.

• WRIR 84-4322 Bachman, L.J., Nitrate in the Columbia aquifer, central Delmarva Peninsula, Maryland, 51 p, 1 plate.

• WRIR 84-4203 James, R.W., Jr., and Helinsky, B.M., Time of travel and dispersion in the Jones Falls, Baltimore, Maryland, 29 p.

• WRIR 84-4099 Fisher, G.T. , and Katz, B.G., Analysis of urban storm-water runoff characteristics of four basins in the Baltimore metropolitan area, Maryland, 58 p.

• WRIR 84-4007 Martin, M.M., Simulated ground-water flow in the Potomac aquifers, New Castle County Delaware, 85 p, 1 plate.

• WRIR 83-4283 Mack, F.K., Wheeler, J.C., Curtin, S.E., and Andreasen, D.C., Map showing the difference between the potentiometric surfaces of the Magothy aquifer of September 1975 and September 1982 in southern Maryland, 1 sheet, 1:250,000.

• WRIR 83-4282 Mack, F.K., Wheeler, J.C., and Curtin, S.E., Map showing the difference between the potentiometric surface of the Magothy aquifer of September 1975 and September 1982 in southern Maryland, 1 sheet, 1:250,000.

• WRIR 83-4255 Cohen, R.R.H., and Pollock, S.O., Primary productivity by phytoplankton in the tidal, fresh Potomac River, Maryland, May 1980 to August 1981, 76 p.

• WRIR 82-4062 Trombley, T.J., Downstream effects of reservoir releases to the Potomac River from Luke, Maryland to Washington, D.C., 35 p.

• WRIR 82-53 Hodges, A.L., Jr., Ground-water temperature of the Wyoming quadrangle in central Delaware, with application to ground-water-source heat pumps, 29 p.

• WRIR 82-32 Lang, D.J., Water quality of the three major tributaries to the Chesapeake Bay, the Susquehanna, Potomac, and James Rivers, January 1979 - April 1981, 64 p.

• WRIR 81-1200# Katz, B.G., Analysis and characterization of urban storm-water runoff for selected basins in the Baltimore Metropolitan Area--a project plan, 49 p.

• WRIR 81-10 Cory, R.L., and Dressler, P.V., Diel oxygen variations in the Rhode River Estuary, Maryland, 1970-78, 19 p.

• WRIR 80-1016# Carpenter, D.H., Technique for estimating magnitude and frequency of floods in Maryland, 79 p.

• WRIR 80-1015# Weigle, J.M., Hydrogeologic atlas -- Littlestown quadrangle, Carroll County, Maryland, 44 p.

• WRIR 80-1014# Weigle, J.M., Hydrogeologic atlas, Taneytown and Emmitsburg quadrangles, Carroll County, Maryland, 40 p.

• WRIR 80-1013# Weigle, J.M. Hydrogeologic atlas, Union Bridge and Woodsboro quadrangles, Carroll County, Maryland, 10 p.

• WRIR 80-1012# Duigon, M.T., New Freedom quadrangle, Maryland: Hydrogeology, 54 p.

• WRIR 80-1011# Duigon, M.T., Ellicott City quadrangle, Maryland: Hydrogeology, 56 p.

• WRIR 80-1010# Duigon, M.T., Lineboro quadrangle, Maryland: Hydrogeology, 50 p.

• WRIR 80-1009# Duigon, M.T., Reisterstown quadrangle, Maryland: Geology and Hydrogeology, 55 p.

• WRIR 80-78 Lang, D.J., Water quality monitoring of three major tributaries to the Chesapeake Bay-interim data report, 66 p.

• WRIR 80-18 Richardson, C.A., Ground water in the Piedmont upland of central Maryland, 42 p.

• WRIR 79-1536# Williams, J.F., III, Finksburg quadrangle, Maryland: Hydrogeology, 50 p.

• WRIR 78-93 Simmons, R.H., and Carpenter, D.H., Technique for estimating magnitude and frequency of floods in Delaware, 69 p.

• WRIR 77-20 Cory, R.L., Water quality in Rhode River at Smithsonian pier near Annapolis, Maryland, January 1974 through December 1975, 48 p.

• WRIR 30-75 Redding, M.J., and Cory, R.L., Macroscopic benthic fauna of three tidal creeks adjoining the Rhode River, Maryland.

• WRIR 10-74 Cory, R.L., and Redding, J.M., Water quality in Rhode River at Smithsonian Institute pier near Annapolis, Maryland, April 1970 - December 1974.

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Open-File Reports

When ordering Open-File Reports, give complete number, such as OFR-92-168 and full title if known. Include your full address and zip code, plainly printed. Open-File Reports can be purchased either as microfiche or paper copy. Prepayment is required and should be made by check or money order payable to:

U.S. Geological Survey
Branch of Information Services
Box 25425
Denver Federal Center
Denver, CO 80225
[(303)-236-7476].

Further information about these reports may be obtained from:

The U.S. Geological Survey
Maryland-Delaware-D.C. District
8987 Yellow Brick Road
Baltimore, MD 21237
[(410) 238-4200].

1. OFR 00-208 Michael P. Sensus and Frederick J. Tenbus, Long-term ground-water monitoring program and performance-evaluation plan for the extraction system at the former Nike missile battery site, Aberdeen Proving Ground, Maryland

2. OFR-99-213 Doheny, Edward J., Index of Hydrologic Characteristics and Data Resources for the Gwynns Falls Watershed, Baltimore County and Baltimore City, Maryland 17 p.

3. OFR-99-81 Curtin, S.E., Andreasen, D.C., and Mack, F.K. The Difference Between the Potentiometric Surfaces of the Aquia Aquifer, September 1982 and September 1997 in Southern Maryland, 1 p., Scale 1:250,000.

4. OFR-99-82 Curtin, S.E., Andreasen, D.C., and Mack, F.K. Potentiometric Surface of the Aquia Aquifer in Southern Maryland, September 1997, 1 p., Scale 1:250,000.

5. OFR-99-83 Curtin, S.E., Andreasen, D.C., and Mack, F.K. Potentiometric Surface of the Magothy Aquifer in Southern Maryland, September 1997, 1 p., Scale 1:250,000.

6. OFR-99-84 Curtin, S.E., Andreasen, D.C., and Mack, F.K. The Difference Between the Potentiometric Surfaces of the Magothy Aquifer, September 1975 and September 1997 in Southern Maryland, 1 p., Scale 1:250,000.

7. OFR-99-85Curtin, S.E., Andreasen, D.C., and Mack, F.K. Potentiometric Surface of the Upper Patapsco Aquifer in Southern Maryland, September 1997, 1 p., Scale 1:250,000.

8. OFR-99-86 Curtin, S.E., Andreasen, D.C., and Mack, F.K. The Difference Between the Potentiometric Surfaces of the Upper Patapsco Aquifer, September 1990 and September 1997 in Southern Maryland, 1 p., Scale 1:250,000.

9. OFR-99-87 Curtin, S.E., Andreasen, D.C., and Mack, F.K. Potentiometric Surface of the Lower Patapsco Aquifer in Southern Maryland, September 1997, 1 p., Scale 1:250,000.

10. OFR-99-88 Curtin, S.E., Andreasen, D.C., and Mack, F.K. The Difference Between the Potentiometric Surfaces of the Lower Patapsco Aquifer, September 1990 and September 1997 in Southern Maryland, 1 p., Scale 1:250,000.

11. ofr-99-60 John W. Brakebill and Stephen D. Preston Digital Data Used to Relate Nutrient Inputs to Water Quality in the Chesapeake Bay Watershed, Version 1.0.

12. OFR 99-57 Miller, C.V., Foster, G.D., Huff, T.B., Garbarino, John R., Organic Compounds and Trace Elements in the Pocomoke River and Tributaries, Maryland

13. OFR 98-180 By A.L. Derosier, J.W. Brakebill, J.M. Denis, and S.K. Kelley, Water-Quality Assessment of the Potomac River Basin: Water-Quality and Selected Spatial Data, 1992-96

14. OFR 98-158 Ator, S.W., Nitrate and Pesticide Data for Waters of the Mid-Atlantic Region, 2 p.

15. OFR 97-777 Doheny, E.J., Auer, T.W., and Lamotte, Andrew, Flood tracking chart for the Potomac River Basin, 1 oversized sheet.

16. OFR 95-766 M.A. Hayes, S.W. Phillips, and J. C. Wheeler, Selected hydrogeologic and chloride concentration data for the northern and central Coastal area of New Castle County, Delaware, 5 tables, 14 figures, 37 p.

17. OFR 97-666 Donnelly, C.A., Ferrarri, M.J., Summary of Pesticide Data from Streams Wells in the Potomac River Basin, 1993-96, 8 p.

18. OFR 97-560 Olsen, L.D., Lorah, M.M., Marchand, E.H., Smith, B.L., and Johnson, M.A., Hydrogeologic, water-quality, and sediment-quality data for a freshwater tidal wetland, Wes Branch Canal Creek, Aberdeen Proving Ground, Maryland, 1992-1996, 267 p.

19. OFR 97-357 Powars, D.S., Stratigraphy and geophysical logs from a corehole drilled to bedrock at Robins Point, J-Field, Edgewood area, Aberdeen Proving Ground, Maryland, 68 p.

20. OFR 97-200 Doheny, E.J., Flood-hydrology data for the Potomac River and selected tributaries in the vicinity of the Chesapeake and Ohio Canal National Historical Park, Maryland, West Virginia, and the District of Columbia, 33 p.

21. OFR 96-625 Curtin, S.E., Andreasen, D.C., and Mack, F.K., The difference between the potentiometric surfaces of the Magothy Aquifer of September 1975 and September 1995 in southern Maryland, 1 sheet, 1:250,000.

22. OFR 96-624 Curtin, S.E., Andreasen, D.C., and Mack, F.K., The difference between the potentiometric surfaces of the Aquia Aquifer of September 1982 and September 1995 in southern Maryland, 1 sheet, 1:250,000.

23. OFR 96-623 Curtin, S.E., Andreasen, D.C., and Mack, F.K., Potentiometric surface of the Lower Patapsco aquifer in southern Maryland, September 1995, 1 sheet, 1:250,000.

24. OFR 96-622 Curtin, S.E., Andreasen, D.C., and Mack, F.K., Potentiometric surface of the Upper Patapsco aquifer in southern Maryland, September 1995, 1 sheet, 1:250,000.

25. OFR 96-621 Curtin, S.E., Andreasen, D.C., and Mack, F.K., Potentiometric surface of the Magothy Aquifer in southern Maryland, September 1995, 1 sheet, 1:250,000.

26. OFR 96-620 Curtin, S.E., Andreasen, D.C., and Mack, F.K., Potentiometric surface of the Aquia Aquifer in southern Maryland, September 1995, 1 sheet, 1:250,000.

27. OFR 96-554 Doheny, E.J., A modified index for assessment of potential scour at bridges over waterways, 16 p.

28. OFR 96-128 Phelan, D.J., and others, Hydrogeologic, soil, and water-quality data for J-Field, Aberdeen Proving Ground, Maryland, 1989-94, 191 p.

29. OFR 96-125 Donnelly, C.A., and Hinaman, K.C., Water-level data for the industrial area northwest of Delaware City, Delaware, 1993-94, 23 p.

30. OFR 95-766 Hayes, M.A., Phillips, S.W., and Wheeler, J.C., Selected hydrogeologic and chloride-concentration data for the northern and central Coastal area of New Castle County, Delaware, 37 p.

31. OFR 95-746 Curtin, S.E., Andreasen, D.C., and Mack, F.K., Potentiometric surface of the Lower Patapsco aquifer in southern Maryland, September 1994, 1 sheet, 1:250,000.

32. OFR 95-745 Curtin, S.E., Andreasen, D.C., and Mack, F.K., Potentiometric surface of the Upper Patapsco aquifer in southern Maryland, September 1994, 1 sheet, 1:250,000.

33. OFR 95-744 Curtin, S.E., Andreasen, D.C., and Mack, F.K., Potentiometric surface of the Magothy Aquifer in southern Maryland, September 1994, 1 sheet, 1:250,000.

34. OFR 95-743 Curtin, S.E., Andreasen, D.C., and Mack, F.K., Potentiometric surface of the Aquia aquifer in southern Maryland, September 1994, 1 sheet, 1:250,000.

35. OFR 95-318 Donnelly, C.A., and Hinaman, K.C., Potentiometric maps and ground-water-level data for the industrial area northwest of Delaware City, Delaware (map).

36. OFR 95-282 Lorah, M.M., and Clark, J.S., Contamination of ground water, surface water, and soil, and evaluation of selected ground-water pumping alternatives in the Canal Creek Area of Aberdeen Proving Ground, Maryland, 318 p.

37. OFR 95-151 Rice, K.C., and others, Hydrologic and water-quality data for two small watersheds on Catoctin Mountain, North-Central Maryland, 1987-93, 195 p.

38. OFR 95-135 Doheny, E.J., Helinsky, B.M., and McGregor, R.A., A technique for preliminary appraisal of potential and observed scour as applied to State-maintained highway bridges in Maryland, 75 p.

39. OFR 94-507 McFarland, E.R., Ground-water flow, geochemistry, and effects of agricultural practices on nitrogen transport at study sites in the piedmont and Coastal Plain Physiographic Provinces, Patuxent River Basin, Maryland, 78 p.

40. OFR 94-395 Curtin, S.E., Mack, F.K., and Andreasen, D.C., The difference between the potentiometric surfaces of the Magothy aquifer of September 1975 and September 1993 in southern Maryland, 1 sheet, 1:250,000.

41. OFR 94-394 Curtin, S.E., Mack, F.K., and Andreasen, D.C., The difference between the potentiometric surfaces of the Aquia aquifer of September 1982 and September 1993 in southern Maryland, 1 sheet, 1:250,000.

42. OFR 94-393 Curtin, S.E., Mack, F.K., and Andreasen, D.C., Potentiometric surface of the Lower Patapsco aquifer in southern Maryland, 1 sheet, 1:250,000.

43. OFR 94-392 Curtin, S.E., Mack, F.K., and Andreasen, D.C., Potentiometric surface of the Upper Patapsco aquifer in southern Maryland, September 1993, 1 sheet, 1:250,000.

44. OFR 94-391 Curtin, S.E., Mack, F.K., and Andreasen, D.C., Potentiometric surface of the Magothy aquifer in southern Maryland, September 1993, 1 sheet, 1:250,000.

45. OFR 94-390 Curtin, S.E., Mack, F.K., and Andreasen, D.C., Potentiometric surface of the Aquia aquifer in southern Maryland, September 1993, 1 sheet, 1:250,000.

46. OFR 93-655 Curtin, S.E., Andreasen, D.C., and Mack, F.K., Potentiometric surface of the Lower Patapsco aquifer in southern Maryland, September 1991, 1 sheet, 1:250,000.

47. OFR 93-654 Curtin, S.E., Andreasen, D.C., and Mack, F.K., Potentiometric surface of the Upper Patapsco aquifer in southern Maryland, September 1991, 1 sheet, 1:250,000.

48. OFR 93-653 Curtin, S.E., Andreasen, D.C., and Mack, F.K., Potentiometric surface of the Magothy aquifer in southern Maryland, September 1991, 1 sheet, 1:250,000.

49. OFR 93-652 Curtin, S.E., Andreasen, D.C., and Mack, F.K., Potentiometric surface of the Aquia aquifer in southern Maryland, September 1991, 1 sheet, 1:250,000.

50. OFR 93-169 Rice, K.C., Kennedy, M.M., Bricker, O.P., and Donnelly, C.A., Data on the quantity and chemical quality of precipitation, Catoctin Mountain, north-central Maryland, 1982-91, 46 p.

51. OFR 93-40 Hamilton, P.A., and others, Water-quality assessment of the Delmarva Peninsula, Delaware, Maryland, and Virginia--Effects of agricultural activities on, and distribution of nitrate and other inorganic constituents in the surficial aquifer, 87 p.

52. OFR 92-649 Rice, K.C., and Bricker, O.P., Acid-rain induced changes in stream water quality during storms on Catoctin Mountain, Maryland, 2 p.

53. OFR 92-464 Mack, F.K., Curtin, S.E., Andreasen, D.C., and Wheeler, J.C., The difference between the potentiometric surfaces of the Magothy aquifer of September 1975 and September 1990 in southern Maryland, 1 sheet, 1:250,000.

54. OFR 92-463 Mack, F.K., Curtin, S.E., Andreasen, D.C., and Wheeler, J.C., The difference between the potentiometric surfaces of the Aquia aquifer of September 1982 and September 1990 in southern Maryland, 1 sheet, 1:250,000.

55. OFR 92-462 Mack, F.K., Curtin, S.E., Andreasen, D.C., and Wheeler, J.C., Potentiometric surface of the Lower Patapsco aquifer in southern Maryland, September 1990, 1 sheet, 1:250,000.

56. OFR 92-461 Mack, F.K., Curtin, S.E., Andreasen, D.C., and Wheeler, J.C., Potentiometric surface of the Upper Patapsco aquifer in southern Maryland, September 1990, 1 sheet, 1:250,000.

57. OFR 92-460 Mack, F.K., Curtin, S.E., Andreasen, D.C., and Wheeler, J.C., Potentiometric surface of the Magothy aquifer in southern Maryland, September 1990, 1 sheet, 1:250,000.

58. OFR 92-459, Mack, F.K., Curtin, S.E., Andreasen, D.C., and Wheeler, J.C., Potentiometric surface of the Aquia aquifer in southern Maryland, September 1990, 1 sheet, 1:250,000.

59. OFR 92-168 Rice, K.C., and Bricker, O.P., Acid rain and its effects on stream water quality on Catoctin Mountain, Maryland (fact sheet).

60. OFR 91-505 McFarland, J.A., Weiss, L.S., and others, Water resources activities of the U.S. Geological Survey, 130 p.

61. OFR 91-157 Gerhart, J.M., National water-quality assessment program--the Potomac River Basin (fact sheet).

62. OFR 91-88 Denver, J.M., and Sandstrom, M.W., Distribution of dissolved atrazine and two metabolites in the confined aquifer, southeastern Delaware, 48 p.

63. OFR 91-71 Ham, L.K., Tenbus, F.J., Sears, L.N., and Phillips, S.W., Hydrogeologic data for Graces Quarter, Aberdeen Proving Ground, Maryland, 68 p.

64. OFR 90-4094 Phelan, D.J., Water use in the St. Jones River Basin, Kent County, Delaware, 1983-86, 4 tables, 10 figures, 30 p.

65. OFR 90-572 Wheeler, J.C., Water withdrawal and use in Maryland, 28 p.

66. OFR 90-181 Tenbus, F.J., and Phillips, S.W., Study approach for the hydrogeologic assessment of Carroll Island and Graces Quarters, Aberdeen Proving Ground, Maryland, 110 p.

67. OFR 89-409 U.S. Geological Survey, 2nd National symposium--Water quality, Abstracts of the technical sessions, Orlando, Florida, November 12-17, 1989, 150 p.

68. OFR 89-399 Vroblesky, D.A., Lorah, M.M., and Oliveros, J.P., Ground-water, surface-water, and bottom-sediment contaminants and the possible remedial actions in the O-Field area, Aberdeen Proving Ground, Maryland, 162 p.

69. OFR 89-388 Ham, L.K., Sears, L.N., Phillips, S.W., and Tenbus, F.T., Hydrogeologic data for Carroll Island, Aberdeen Proving Ground, Maryland., 105 p.

70. OFR 89-387 Oliveros, J.P., and Gernhardt, Patrice, Hydrogeologic data for the Canal Creek area of Aberdeen Proving Ground, Maryland, April 1986-March 1988, 71 p.

71. OFR 89-238 Vroblesky, D.A., and Nemoff, P.R., Hydrogeologic and chemical data for the O-Field area, Aberdeen Proving Ground, Maryland, 70 p.

72. OFR 89-34 Hamilton, P.A., Shedlock, R.J., and Phillips, P.J., Ground-water quality assessment of the Delmarva Peninsula, Delaware, Maryland, and Virginia--Analysis of available water-quality data through 1987, 71 p.

73. OFR 88-714 Wheeler, J.C., Water withdrawal and use in Maryland, 30 p.

74. OFR-88-709 Carter, Virginia, and others, Data on physical, chemical, and biological characteristics of hydrilla beds, mixed vegetation beds, and unvegetated sites in the tidal Potomac River, Maryland and Virginia, 196 p.

75. OFR-88-307 Rybicki, N.B., Anderson, R.T., and Carter, Virginia, Data on the distribution and abundance of submersed aquatic vegetation in the tidal Potomac River and transition zone of the Potomac estuary, Maryland, Virginia, and the District of Columbia, 31 p.

76. OFR 88-148 Paulachok, G.N., U.S. Geological Survey, Ground-water studies in Delaware (fact sheet).

77. OFR 88-133 Ryan, B.J., U.S. Geological Survey, Ground-water studies in Maryland (fact sheet).

78. OFR 88-02-04@ Mack, F.K., Selected geohydrologic characteristics of the Patapsco aquifers at Chalk Point, Prince Georges County, Maryland, 36 p.

79. OFR 87-730 Wheeler, J.C., and Maclin, L.B., Maryland and the District of Columbia ground-water quality, 10 p.

80. OFR 87-540 Wheeler, J.C., and Wilde, F.W., Ground-water use in the Coastal Plain of Maryland, 1900-1980, 173 p.

81. OFR 87-379 Fisher, G.T. , and Simmons, R.H., Data base development for water-quality modeling of the Patuxent River basin, Maryland, 18 p.

82. OFR 87-112 Bachman, L.J., Shedlock, R.J., Phillips, P.J., Ground-water quality assessment of the Delmarva Peninsula, Delaware, Maryland, and Virginia; project description, 18 p.

83. OFR 86-490 McGreevy, L.J., Hyatt, G.J., Cockey, E.J., Water resources activities of the U.S. Geological Survey, Mid-Atlantic District 1984-1986, 129 p.

84. OFR 86-486 Lescinsky, J.B., Floods of November 1985 in West Virginia, Pennsylvania, Maryland, and Virginia, 33 p.

85. OFR 85-197 Hodges, A.L., Jr., Estimated average annual alkalinity of six streams entering Deep Creek Lake, Garrett County, Maryland, 63 p.

86. OFR 85-154 Knobel, L.L., 1985, Ground-water-quality data for the Atlantic Coastal Plain, Delaware, Maryland, Virginia, and North Carolina, 88 p.

87. OFR 85-82 Carter, Virginia; Rybicki, N.B.; Anderson, R,T.; Trombley, T.J.; and Zynjuk, G.L., Data on distribution and abundance of submerged aquatic vegetation in the tidal Potomac River and transition zone of the Potomac estuary, Maryland, Virginia, and the District of Columbia, 1983 and 1984.

88. OFR 84-859 Cohen, R.R.H., Pollock, S.O., Stoelzel, V.E., and Boulukos, K.E., Phytoplankton-abundance and generic-composition date for the Potomac River and Estuary, Maryland, 29 p.

89. OFR 84-426 Hilleary, J.T., Hydrologic data: South Branch Casselman River, Garrett County, and Marsh Run, Washington County, Maryland, 63 p.

90. OFR 83-930 Mack, F.K., Wheeler, J.C., and Curtin, S.E., Preliminary map showing the difference between the potentiometric surfaces of the Aquia aquifer of April 1979 and September 1982 in southern Maryland, 1 sheet, 1:250,000.

91. OFR 83-929 Mack, F.K., Wheeler, J.C., and Curtin, S.E., Preliminary map showing the potentiometric surface of the Aquia aquifer in southern Maryland, September 1982, 1 sheet, 1:250,000, 1 inch = about 4 miles.

92. OFR-83-873 Hickman, R.E., Water quality data for selected streams tributary to the tidal Potomac River and estuary, Maryland and Virginia, 1979-1983 water years, 69 p.

93. OFR 83-861 Taylor, K.R., James, R.W., Jr., Helinsky, B.M., Travel time and dispersion in the Potomac River, Cumberland, Maryland, to Washington, D.C., 71 p.

94. OFR 83-339 Mack, F.K., Wheeler, J.C., and Curtin, S.E., The difference between the potentiometric surface of the Aquia aquifer of September 1975 and September 1981 in southern Maryland, 1 sheet, 1:250,000, 1 inch = about 4 miles.

95. OFR 83-33 Staubitz, W.W., and Sobashinski, J.R., Hydrology of Area 6, eastern Coal Province, Maryland, West Virginia, and Pennsylvania, 131 p.

96. OFR 82-919@ Mack, F.K., Wheeler, J.C., and Curtin, S.E., Water-level declines in the Magothy aquifer in southern Maryland related to increases in pumpage, 29 p.

97. OFR 82-854@ Mack, F.K., Wheeler, J.C., and Curtin, S.E., Preliminary analysis of geohydrologic data from test wells drilled near Chester, on Kent Island, Queen Annes County, Maryland, 31 p.

98. OFR 82-525 Grason, David, A presentation and evaluation of the hydrologic information available for the major Federal coal lands in seven Eastern states--sources of available information and a plan for future work, 335 p.

99. OFR 82-339 Mack, F.K., Wheeler, J.C., and Curtin, S.E., Map showing change in potentiometric surfaces of the Magothy aquifer in southern Maryland between September 1975 and September 1981, 1 sheet, 1:250,000.

100. OFR 82-257 Mack, F.K., Wheeler, J.C., and Curtin, S.E., Map showing the potentiometric surface of the Magothy aquifer in southern Maryland, September 1981, 1 sheet, 1:250,000.

101. OFR 81-1200# Katz, B.G., and Fisher, G.T. , Analysis and characterization of urban storm-water runoff for selected basins in the Baltimore, Maryland metropolitan area--a project plan, 58 p.

102. OFR 81-916 Martin, M.M., Hydrologic data for the Potomac Formation in New Castle County, Delaware, 148 p.

103. OFR 81-812 Staubitz, W.W., Quality of surface water in the coal mining areas of western Maryland and adjacent areas of Pennsylvania and West Virginia from April 1979 to June 1980, 106 p.

104. OFR 81-633 Mack, F.K., Wheeler, J.C., and Curtin, S.E., Map showing the potentiometric surface of the Magothy aquifer in southern Maryland, August 1980, 1 sheet, 1:250,000.

105. OFR 81-632 Mack, F.K., Wheeler, J.C., and Curtin, S.E., Map showing how the potentiometric surface of the Magothy aquifer of September 1979 differed from the potentiometric surface of September 1977, 1 sheet, 1:250,000.

106. OFR 81-631 Mack, F.K., Wheeler, J.C., and Curtin, S.E., Map showing how the potentiometric surface of the Magothy aquifer of August 1980 differed from the potentiometric surface of September 1977, 1 sheet, 1:250.000.

107. OFR-81-538 Herb, W.J., Shaw, L.C., and Brown, D.E., Hydrology of area 5, Eastern Coal Province, Pennsylvania, Maryland, and West Virginia, 92 p.

108. OFR 81-416 Chapelle, F.H., Drummond, D.D., and Curley, Tracey, Map showing the potentiometric surface of the Aquia aquifer, May 19-23, 1980, 1 sheet, 1:250,000.

109. OFR 81-127 Otton, E.G., Norrisville quadrangle, Baltimore and Harford Counties, Maryland: Hydrogeology, 52 p.

110. OFR 81-126 Otton, E.G., Manchester quadrangle, Carroll County, Maryland: Hydrogeology, 68 p.

111. OFR 81-65 Otton, E.G., Phoenix quadrangle, Baltimore and Harford Counties, Maryland: Hydrogeology, 46 p.

112. OFR 81-10 Cory, R.L., Diel oxygen variations in the Rhode River Estuary, Maryland, 1970-1978, 14 p.

113. OFR 80-1016# Carpenter, D.H., Technique for estimating magnitude and frequency of floods in Maryland, 119 p.

114. OFR 80-1015# Weigle, J.M., Hydrogeologic atlas -- Littlestown quadrangle, Carroll County, Maryland, 44 p.

115. OFR 80-1014# Weigle, J.M., Hydrogeologic atlas, Taneytown and Emmitsburg quadrangles, Carroll County, Maryland, 40 p. (see page 28)

116. OFR 80-1013# Weigle, J.M. Hydrogeologic atlas, Union Bridge and Woodsboro quadrangles, Carroll County, Maryland, 10 p. (see page 28)

117. OFR 80-1012# Duigon, M.T., New Freedom quadrangle, Maryland: Hydrogeology, 54 p.

118. OFR 80-1011# Duigon, M.T., Ellicott City quadrangle, Maryland: Hydrogeology, 56 p.

119. OFR 80-1010# Duigon, M.T., Lineboro quadrangle, Maryland: Hydrogeology, 50 p.

120. OFR 80-1009# Duigon, M.T., Reisterstown quadrangle, Maryland: Geology and Hydrogeology, 55p.

121. OFR 80-962 Duigon, M.T., Hereford quadrangle, Maryland: Hydrogeology, 57 p.

122. OFR 80-959 Mack, F.K., Wheeler, J.C., and Curtin, S.E., Map showing the potentiometric surface of the Magothy aquifer in southern Maryland, September 1979, 1 sheet, 1:250,000.

123. OFR 80-561 Duigon, M.T., Hampstead quadrangle, Maryland: Hydrogeology, 50 p.

124. OFR 79-1536# Williams, J.F., III, Finksburg quadrangle, Maryland: Hydrogeology, 50 p.

125. OFR 78-999 Mack, F.K., Wheeler, J.C., and Curtin, S.E., Map showing the potentiometric surface of the Magothy aquifer in southern Maryland, September 1977, 1 sheet, 1:250,000.

126. OFR 78-769 Otton, E.G., New Windsor quadrangle: Hydrogeologic atlas.

127. OFR 78-93 Simmons, R.H., Technique of estimating magnitude and frequency of floods in Delaware, 69 p.

128. OFR 77-793 Otton, E.G., Winfield quadrangle: Hydrogeologic atlas, 43 p., 4 sheets 1:24,000 (1 inch = 2,000 feet).

129. OFR 77-790 Otton, E.G., and others, Westminster quadrangle: Hydrogeologic atlas, 44 p., 4 sheets 1:24,000 (1 inch = 2,000 feet).

130. OFR 77-759 Hodges, A.L., Jr., Availability of ground water on the Delmarva Peninsula, 6 p.

131. OFR 76-884 Herb, W.J., Availability of hydrologic data for Montgomery County, Maryland, 15 p., 1 sheet, 1:62,500 (1 inch = 1 mile).

132. OFR 76-882 Richardson, C.A., Availability of ground water in Montgomery County, Maryland, 13 p., 1:62,500 (1 inch = 1 mile).

133. OFR 76-881 Richardson, C.A., Approximate depth to the water table, Montgomery County, Maryland, 4 p., 1:62,500 (1 inch = 1 mile).

134. OFR 76-322@ Mack, F.K., Preliminary analysis of geohydrologic data from test wells drilled near Chalk Point, Prince Georges County, Maryland, 42 p. (see page 47)

135. OFR 76-197 Richardson, C.A., Availability of ground water in Prince Georges County, Maryland, 9 p., 1:62,500 (1 inch = about 1 mile).

136. OFR 76-194 Richardson, C.A., Areas of shallow water table, Prince Georges County, Maryland, 3 p., 1:62,500 (1 inch = about 1 mile).

137. OFR 76-178 Herb, W.J., Availability of hydrologic data for Prince Georges County., Maryland, 7 p.

138. OFR 76-71 McKenzie, S.W., Long-term water-quality trends in Delaware streams, 72 p.

139. OFR 74-737 Otton, E.G., Environmental geohydrology folio no. 1, White Marsh 7-1/2 minute quadrangle, Maryland, 4 p.

140. 1975 Otton, E.G., Environmental geohydrology, Cockeysville quadrangle 6, 4 p.

141. 1974 Carpenter, D.H., Flood characteristics of small drainage basins in Maryland, 90 p.

142. 1974 Floods of August and September 1971 in Maryland and Delaware, 41 p.

143. 1973 Water resources of the Delmarva Peninsula, a summary report (White House document 93-68) to the Congress, 59 p.

144. 1972 Sediment yields sources, Montgomery County, Maryland, a progress report, Rock Creek Anacostia River basins, 39 p.

145. 1971 Progress report on the analog model study of the Magothy aquifer in the Annapolis, Maryland, area, 26 p.

146. 1971 Geologic and hydrologic data from a test well drilled near Chestertown Maryland, 20 p.

147. 1971 A summary of geologic and hydrologic data from an exploratory well drilled near Greenwood, Delaware, 18 p.

148. 1969 Preliminary results of an exploratory water well at Ocean City, Maryland, 19 p.

149. 1969 Simmons, R.H., Floods of August 1967 in Maryland and Delaware, 98 p.

150. 1968 Geophysical cross-section network of the Cretaceous sediments of southern Maryland, 46 p.

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Fact Sheets

When ordering Fact Sheets, give complete number, such as FS 96-140 and full title if known. Include your full address and zip code, plainly printed. Prepayment is required and should be made by check or money order payable to:

U.S. Geological Survey
Branch of Information Services
Box 25425
Denver Federal Center
Denver, CO 80224
[(303)-236-7476].

Further information about these reports may be obtained from:

the U.S. Geological Survey
Maryland-Delaware-D.C. District
8987 Yellow Brick Road
Baltimore, MD 21237
{(410) 238-4200].

1. FS-00-157 by Scott W. Ator and Judith M. Denver (U.S. Geological Survey) and Ann M. Pitchford (U.S. Environmental Protection Agency), Developing landscape-indicator models for pesticides and nutrients in streams of the Mid-Atlantic Coastal Plain

2. FS-00-053 by Bachman, Joseph L., and Krantz, David E. The Potential for Denitrification of Ground Water by Coastal Plain Sediments in the Patuxent River Basin, Maryland 2 figures, 1 table, 4 p.

3. FS-99-150 by Phillips, Scott W., Focazio, Michael J., and Bachman, L. Joseph, Discharge, Nitrate Load, and Residence Time of Ground Water in the Chesapeake Bay Watershed 7 figures, 1 table, 6 p.

4. FS 99-126 by Judith C. Wheeler, Freshwater Use In Delaware, 1995 2 figures, 2p.

5. FS 99-021 USGS Programs in Maryland

6. FS 98-115 Wheeler, J.C., Freshwater use in Maryland, 1995, 2 p.

7. FS 98-114 Vicki Blazer, Scott Phillips, and Edward Pendleton, Fish Health, Fungal Infections, and Pfiesteria: The Role of the U.S. Geological Survey, 4 p.

8. FS 97-126 Preston, S.D., Evaluation of the stream-gaging network in Maryland, Delaware, and Washington, D.C., 4 p.

9. FS 97-124 Phillips, Scott, Overview of the U.S. Geological Survey Chesapeake Bay Ecosystem Program, 4 p.

10. FS 97-039 Pesticides in surface waters

11. FS 96-213 Ecosystem Trends and Response:Chesapeake Bay

12. FS 96-185 Hayes, M.A., and Bachman, L.J., Monitoring ground water at Jefferson Patterson Park and Museum--The effects of agricultural practices on ground-water quality, 4 p.

13. FS 96-140 Zynjuk, L.D., and Majedi, B.S., January 1996 floods deliver large loads of nutrients and sediments to the Chesapeake Bay, 2 p.

14. FS 96-020 U.S. Geological Survey Programs in Maryland and the District of Columbia

15. FS 96-008 U.S. Geological Survey Programs in Delaware

16. FS 95-209 Stream gaging and flood frequency

17. FS 95-161 Denis, J.M., and Blomquist, J.D., Nitrate in streams in the Great Valley carbonate subunit of the Potomac River Basin, 4 p.

18. FS 95-136 Rice, K.C., and Bricker, O.P., Seasonal cycles in streamwater quality on Catoctin Mountain, Maryland, 2 p.

19. FS 95-107 Fisher, G.T. , Selected herbicides in major streams in the Potomac River Basin upstream from Washington, D.C., 4 p.

20. FS 95-064 Toxic substances, Hydrology Program

21. FS 95-061 National Hazards Programs and lessons learned for reducing risk.

22. FS 95-059 Water-Managing a natural resource

23. FS 95-058 Ground water studies

24. FS 95-057 National Water Use Information Program

25. FS 95-055 Chesapeake Bay: Measuring Pollution Reduction, 2 p.

26. FS 95-054 USGS: Bio remediation - Nature's way to a cleaner environment.

27. FS 95-052 Federal-State Co-op Water Resources Program

28. FS 95-020 U.S. Geological Survey Programs in Maryland and the District of Columbia, 4 p.

29. FS 95-008 U.S. Geological Survey Programs in Delaware, 2 p.

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Professional Papers

When ordering Professional Papers, give complete number, such as P-1404-A and full title if known. Include your full address and zip code, plainly printed. Prepayment is required and should be made by check or money order payable to Department of the Interior-USGS. Professional papers can be purchased either as microfiche or paper copy and are available by mail from the U.S. Geological Survey, Branch of Information Services, Box 25286, Denver Federal Center, Denver, CO 80225 [(303) 236-7477]. An asterisk (*) indicates that the publication is out of print and not purchasable from any official source.

1. P-1404-A Trapp, Henry, Jr., and Meisler, Harold, Geohydrologic appraisal of the Northern Atlantic Coastal Plain in parts of North Carolina, Virginia, Maryland, Delaware, New Jersey, and New York, 163 p.

2. P-1404-E Vroblesky, D.A., and Fleck, W.B., 1991 Hydrogeologic framework of the Coastal Plain of Maryland, Delaware, and the District of Columbia, as developed for the Northern Atlantic Regional Aquifer Systems Analysis (RASA), U.S. Geological Survey, 45 p.

3. P-1404-F Harsh, J.F., and Laczniak, R.J., 1991 Conceptualization and analysis of ground-water flow system in the Coastal Plain of Virginia and adjacent parts of Maryland and North Carolina, 100 p.

4. P-1404-J Fleck, W.B., and Vroblesky, D.A., 1996, Simulation of ground-water flow of the Coastal Plain aquifers in parts of Maryland, Delaware, and the District of Columbia, 41 p, 9 plates.

5. P-1003 Yorke, T.H., and Herb, W.J., 1978, Effects of urbanization on streamflow and sediment transport in the Rock Creek and Anacostia River basins, Montgomery County, Maryland, 1962-74, 71 p.

6. P-978 Cargill, S.M., Olson, A.C., Medlin, A.L., and Carter, M.D., 1976, PACER--Data entry, retrieval, and updata for the National Coal Resources Data System (Phase 1), 107 p.

7. P-977 Wolfe, J.A., 1976, Stratigraphic distribution of some pollen types from the Campanian and lower Maestrichtian rocks (Upper Cretaceous) of the Middle Atlantic States, 18 p.

8. P-910 Andrews, G.W., 1976, Miocene marine diatoms from the Choptank Formation, Calvert County, Maryland, 26 p.

9. P-881 Brown, P.M., and Reid, M.S., 1976, Geologic evaluation of waste-storage potential in selected segments of the Mesozonic aquifer system below the zone of fresh water, Atlantic Coastal Plain, North Carolina through New Jersey, 47 p.

10. P-853 McKee, E.D., Crosby, E.J., and others, 1976, Part 1, Introduction and regional analyses of the Pennsylvanian System in Paleotectonic investigations of the Pennsylvanian System in the United States., 349 p.

11. P-822 Cushing, E.M., Kantrowitz, I.H., and Taylor K.R., 1973,Water resources of the Delmarva Peninsula, 58 p.

12. P-816 Minard, J.P., 1974, Geology of the Betterton quadrangle, Kent County, Md., and a discussion of the regional stratigraphy, 27 p.

13. P-813-I Sinnott, Allen, and Cushing, E.M., 1978, Summary appraisals of the Nation's ground-water resources Mid-Atlantic Region: Geological Survey Research, p. I1-I32.

14. P-800-C Breger, I.A., Zubovic, Peter, Chandler, J.C., 1972, Preliminary studies of colloidal substances in the water and sediments of the Chesapeake Bay: Geological Survey Research, p. C263.

15. P-800-D Flower, R.H., and Gordon, Mackenzie, Jr., 1972, New Nephriticeratidae (Nautiloidea) from the Devonian of Maryland, Pennsylvania, and Indiana: Geological Survey Research, p. D45-D50.

16. P-796 Brown, P.M., Miller, J.A., and Swain, F.A., 1972, Structural and stratigraphic framework and spatial distribution of permeability of the Atlantic Coastal Plain, North Carolina to New York, 79 p.

17. P-795 Swain, F.M., and Brown, P.M., 1972, Lower Cretaceous, Jurassic (?), and Triassic Ostracoda from the Atlantic Coastal region, 55 p.

18. P-750-B Yorke, T.H., and Davis, W.J., 1971, Effects of urbanization on sediment transport in Bel Pre Creek basin, Maryland: Geological Survey Research, p. B218-B223.

19. P-750-D Johnston, R. H., 1971, Base flow as an indicator of aquifer characteristics in the Coastal Plain of Delaware: Geological Survey Research, p. D212-D215.

20. P-700-B Owens, J.P., and Stefannsson, Karl, 1970, Clay mineralogy of selected samples from the middle Miocene formations of southern Maryland: Geological Survey Research, p. B150.

21. P-700-C Herz, Norman, and Valentine, L.B., 1970, Rutile in the Harford County, Md., serpentinite belt: Geological Survey Research, p. C43.

22. P-700-D Cobban, W. A., 1971, Occurrence of the late Cretaceous ammonites Didymoceras stevensoni (Whitfield) and Exiteloceras jenneyi (Whitfield) in Delaware: Geological Survey Research, p. D71

23. P-674 Owens, J.P., Minard, J.P., Sohl, N.F., and Mello, J.F., 1970, Stratigraphy of the outcropping post-Magothy Upper Cretaceous formations in southern New Jersey and northern Delmarva Peninsula, Delaware and Maryland, 60 p.

24. P-650-C Hazel, J.E., 1969, Faunal evidence for an unconformity between the Paleocene Brightseat and Aquia Formations (Maryland and Virginia): Geological Survey Research, p. C58.

25. P-650-C Trainer, F.W., 1969, Drainage density as an indicator of base flow in part of the Potomac River basin: Geological Survey Research, p. C177.

26. P-650-D Trainer, F.W., 1970, Precipitation and base runoff, Big Pipe Creek basin, Maryland: Geological Survey Research, p. D222.

27. P-600-B Williams, O.O., 1968, Reservoir effects on downstream water temperatures in the upper Delaware River basin: Geological Survey Research, p. B195-B199.

28. P-600-C Southward, D.L., 1968, Mineralogy of a rutile- and apatite-bearing ultramafic chlorite, Harford County, Md.: Geological Survey Research, p. C38-C44.

29. P-580 U.S. Geological Survey and the U.S. Bureau of Mines, 1968, Mineral resources of the Appalachian Region, 492 p.

30. P-575-C* Hanson, R.L., 1967, Characteristics of summer baseflow of the Potomac River: Geological Survey Research, p. C212-C215.

31. P-575-D Moody, D.W., and Van Reenan, E.D., 1967, High-resolution subbottom seismic profiles of the Delaware estuary and bay mouth: Geological Survey Research, p. D247-D252.

32. P-550-C* Upson, J.E., 1966, Relationships of fresh and salty ground water in the northern Atlantic Coastal Plain of the United States: Geological Survey Research, p. C235-C243.

33. P-550-D* Withington, C.F., 1966, A potential source of brick clay in the Beltsville area, Prince Georges and Montgomery Counties: Geological Survey Research, p. D203-D208.

34. P-525-B Withington, C.F., 1965, Distribution of gravel in the Patuxent Formation in the Beltsville quadrangle, Prince Georges and Montgomery Counties: Geological Survey Research, p. B39-B42.

35. P-525-D* Knechtel, M.M., and Hosterman, J.W., 1965, Outlook for resumption of diatomite mining in southern Maryland and eastern Virginia: Geological Survey Research, p. D151-D155.

36. P-498-A Back, William, 1966, Hydrochemical facies and ground-water flow patterns in northern part of Atlantic Coastal Plain: Geological Survey Research, p. A1-A42.

37. P-485-A* Sigafoos, R.S., 1964, Botanical evidence of floods and flood-plain deposition, p. A1-A35.

38. P-475-D* Cory, R.L., 1964, Environmental factors affecting attached microorganisms, Patuxent River estuary, Maryland in Short papers in geology and hydrology: Geological Survey Research, article 165, p. D194-D197.

39. P-450-C* Keller, F.J., 1962, Effect of urban growth on sediment discharge, Northwest Branch Anacostia River basin, Maryland in Short papers in geology and hydrology: Geological Survey Research, article 113, p. C129-C131.

40. P-450-D Eisenlohr, W.S., 1962, Use of short records of runoff to estimate a 25-year average runoff in the Potomac River basin in Short papers in geology and hydrology: Geological Survey Research, article 173, p. D178-D179.

41. P-450-D Feltz, H.R., and Wark, J.W., 1962, Solute degradation in the Potomac River basin in Short papers in geology and hydrology: Geological Survey Research, article 177, p. D186-D187.

42. P-450-E Giustic, E.V., and Schneider. W.J., 1962, Comparison of drainage on topographic maps of the Piedmont province in Short papers in geology, hydrology, and topography: Geological Survey Research, article 212, p. E1-E189.

43. P-424-A Geological Survey Research, 1961, Synopsis of geological and hydrologic results, p. A1-A194.

44. P-424-B Carter, R.W., 1961, Magnitude and frequency of floods in suburban areas in Short papers in the geologic and hydrologic sciences: Geological Survey Research, article 5, p. B9-B11.

45. P-424-B King, P.B., 1961, Systematic pattern of Triassic dikes in the Appalachian region in Short papers in the geologic and hydrologic sciences: Geological Survey Research, article 41, p. B93.

46. P-424-C* Sigafoos, R.S., 1961, Vegetation in relation to flood frequency near Washington, D.C. in Short papers in the geologic and hydrologic sciences: Geological Survey Research, article 238, p. C248.

47. P-424-D Griscom, Andrew and Peterson, D.L., 1961, Aeromagnetic, aeroradioactivity, and gravity investigations of Piedmont rocks in the Rockville quadrangle, Maryland in Short papers in the geologic and hydrologic sciences: Geological Survey Research, article 388, p. D267.

48. P-417-B* Hely, A.G., and Olmsted, F.H., 1963, Some relations between streamflow characteristics and the environment in the Delaware River region, p. B1-B25.

49. P-414-H* Reed, J.C., Jr., and Jolly, Janice, 1963, Crystalline rocks of the Potomac River Gorge near Washington, D.C., p. H1-H16.

50. P-400-B* Knechtel, M.M., and Hosterman, J.W., 1960, Bloating clay in Miocene strata of Maryland, New Jersey, and Virginia in Short papers in the geologic and hydrologic sciences: Geological Survey Research, article 29, p. B59.

51. P-400-B* King, E.R., and Zietz, Isidore, 1960, Determination of structure in the Appalachian basin by geophysical methods in Short papers in the geologic and hydrologic sciences: Geological Survey Research, article 88, p. B199.

52. P-381* Parker, G.G., Hely, A.G., Keighton, W.B., Olmsted, F.H., and others, 1965, Water resources of the Delaware River basin, 200 p.

53. P-294-B* Hack, J.T., 1957, Studies of longitudinal stream profiles in Virginia and Maryland, p. 45-97.

54. P-267-A* Hack, J.T., 1955, Geology of the Brandywine area and origin of the upland of southern Maryland in Geology of the Brandywine area: Geological Survey Research, p. 1-43.

55. P-267-B* Nikiforoff, C.C., 1955, Hardpan soils of the Coastal Plain of southern Maryland in Geology of the Brandywine area: Geological Survey Research, p. 45-63.

56. P-263* Read, C.B., 1955, Floras of the Pocono formation and Price sandstone in parts of Pennsylvania, Maryland, West Virginia, and Virginia, 32 p.

57. P-217* Darton, N.H., 1950, Configuration of the bedrock surface of the District of Columbia and vicinity, 42p.

58. P-175-A* Cushman, J.A., and Cahill, E.D., 1933, Miocene Foraminifera of the Coastal Plain of the Eastern United States in Shorter contributions to general geology, p. A1-A50.

59. P-154* Wells, R.C., Bailey, R.K., and Henderson, E.P., 1928, Salinity of the water of Chesapeake Bay in Shorter contributions to general geology: Geological Survey Research, p. 105-152.

60. P-150* Mansfield, W.C., 1927, Notes on Pleistocene faunas from Maryland and Virginia and Pliocene and Pleistocene faunas from North Carolina in Shorter contributions to general geology: Geological Survey Research, p. 129-142.

61. P-135* Clarke, F.W., 1924, The composition of the river and lake waters of the United States, p. 199 p.

62. P-132-H* Bascom, Florence, 1925, The resuscitation of the term Bryn Mawr gravel, p. 117-119.

63. P-123* Murray, W.S., and others, 1921, A superpower system for the region between Boston and Washington, 261 p.

64. P-100* Campbell, M.R., and Bownocker, J.A., 1929, The coal fields of the United States, p. 1-33.

65. P-98-E* Berry, E.W., 1916, The physical conditions indicated by the flora of the Calvert formation in Shorter contributions to general geology: Geological Survey Research, p. 61-73.

66. P-98-J* Stephenson, L.W., 1917, North American Upper Cretaceous corals of the genus in Micrabacia: Geological Survey Research, p. 115-131.

67. P-90-B* Hunter, J.R., 1915, Erosion and sedimentation in Chesapeake Bay around the mouth of Choptank River in Shorter contributions to general geology: Geological Survey Research, p. 7-15.

68. P-72* Glenn, L.C., 1911, Denudation and erosion in the southern Appalachian region and the Monongahela basin, 137 p.

69. P-11* Ries, Heinrich, 1903, The clays of the United States east of the Mississippi River, 298 p.

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Water-Supply Papers

When ordering Water-Supply Papers, give complete number, such as W-2355-B and full title if known. Include your full address and zip code, plainly printed. Prepayment is required and should be made by check or money order payable to Department of the Interior-USGS. Water-Supply Papers can be purchased either as microfiche or paper copy and are available by mail from the U.S. Geological Survey, Branch if Information Services, Box 25286, Denver Federal Center, Denver, CO 80225 [(303) 236-7477.

An asterisk (*) indicates that the publication is out of print and not purchasable from any official source.

1. W-2355-A Robert J. Shedlock, Judith M. Denver, Marta A. Hayes, Pixie A. Hamilton, Michael T. Koterba, Leon Joseph Bachman, Patrick J. Phillips, and William S.L. Banks, 1999, Water-quality assessment of the Delmarva Peninsula, Delaware, Maryland, and Virginia: Results of Investigations, 1987-91 41 p.

2. W-2425 Hayes, M.A., 1997, Delaware wetland resources, National Water Summary--Wetland Resources, p. 147-152.

3. W-2425 Hayes, M.A., 1997, Maryland and the District of Columbia wetland resources, National Water Summary--Wetland Resources, p. 219-224.

4. W-2400 Maryland and the District of Columbia: Surface-Water Resources

5. W-2400 Delaware: Surface-Water Resources

6. W-2375 National Water Summary 1988-89--Floods and Droughts: Maryland and the District of Columbia

7. W-2375 National Water Summary 1988-89--Floods and Droughts: Delaware

8. W-2355-B Hamilton, P.A., Shedlock, R.J., and Phillips, P.J., 1991, Water-quality assessment of the Delmarva Peninsula, Delaware, Maryland, and Virginia: Analysis of available ground-water-quality data through 1987, 65 p.

9. W-2347 Fisher, G.T. , and Katz, B.G., 1988, Urban stormwater runoff--Selected background information and techniques for problem assessment, with a Baltimore, Maryland, case study, 30 p.

10. W-2323 Knobel, L.L., and Phillips, S.W., 1988, Aqueous geochemistry of the Magothy aquifer, Maryland, 28 p.

11. W-2300 James, R.W., Maryland and the District of Columbia Surface Water Resources

12. W-2300 Simmons, R.H., Delaware surface-water resources in U.S. Geological Survey, 1986, National Water Summary 1985--Hydrologic events, p. 181-186.

13. W-2296 Lantrip, B.M., and others, 1987, Sediment/water-column flux of nutrients and oxygen in the tidal Patuxent River and estuary, Maryland, 76 p.

14. W-2284 Gerhart, J.M., and Lazorchick, G.J., 1988, Evaluation of the ground-water resources of the lower Susquehanna basin, Pennsylvania and Maryland, 128 p.

15. W-2275 McGreevy, L.J., and Wheeler, J.C., 1985, Maryland and the District of Columbia in National Water summary 1984, Hydrologic events --Selected water-quality trends, and ground-water resources, p. 243-248.

16. W-2275 Hodges, A.L. Jr. Delaware in National Water summary 1984, Hydrologic events--Selected water-quality trends, and ground-water resources, p. 243-248.

17. W-2234 Glenn, J.L., 1988, Bottom sediments and nutrients in the tidal Potomac system, Maryland and Virginia, 74 p.

18. W-2234-A Carter, Virginia, Paschal, J.E., Jr., and Bartow, N.C., 1985, Distribution and abundance of submersed aquatic vegetation in the tidal Potomac River and estuary, Maryland and Virginia, May 1978 to November 1981, 46 p.

19. W-2234-E Miller, A.J., 1987, Shore erosion as a sediment source to the tidal Potomac River, Maryland and Virginia, 45 p.

20. W-2234-G Hickman, R.E., 1987, Loads of suspended sediment and nutrients from local nonpoint sources to the tidal Potomac River and estuary, Maryland and Virginia, 1979-1981 water years, 35 p.

21. W-2234-I Dresler, P.V., 1980, Benthic communities of the tidal Potomac River and Estuary, Maryland and Virginia, November 1977 through August 1979, 149 p

22. W-2234-J Shultz, D.J., 1989, Nitrogen dynamics in the tidal freshwater Potomac River, Maryland and Virginia, water years 1979-1981, 99 p.

23. W-2257 Taylor, K.R., James, R.W., Jr., and Helinsky, B.M., 1985, Traveltime and dispersion in the Potomac River, Cumberland, Maryland to Washington, D.C., 30 p.

24. W-2171 Ground-water levels in the United States, 1969-73, Southeastern states, 1975, Maryland, p. 143-152.

25. W-2165 Ground-water levels in the United States, 1974, Southeastern States, 1975, p. 66-70.

26. W-2077 Richardson, C.A., Ground water in the Piedmont upland of central Maryland, 42 p.

27. W-2071 Herb, W.J., 1980, Sediment-trap efficiency of a multiple-purpose impoundment, North Branch Rock Creek basin, Montgomery County, Maryland, 1968-76, 41 p.

28. W-2035 Trainer, F.W., and Watkins, F.A., Jr., 1975, Geohydrologic reconnaissance of the Upper Potomac River basin, 68 p.

29. W-1978 Ground-water levels in the United States, 1964-68, Southeastern states, 1971, Maryland, p. 143-152.

30. W-1871 Schneider, W.J., 1968, Water data for metropolitan areas-A summary of data from 222 areas in the United States, 397 p.

31. W-1849 Barnes, H.H., Jr., 1967, Roughness characteristics of natural channels, 213 p.

32. W-1838 Martin, R.O.R., and Hanson, R.L., 1966, Reservoirs in the United States, 115 p.

33. W-1815 O'Bryan, Deric, and McAvoy, R.L., 1966, Gunpowder Falls, Maryland: Uses of a water resource today and tomorrow, 90 p.

34. W-1813 Dalrymple, Tate, 1965, Flood peak runoff and associated precipitation in selected drainage basins in the United States, 406 p.

35. W-1812 Durfor, C.N., and Becker, Edith, 1964, Public water supplies of the 100 largest cities in the United States, 1962, 364 p.

36. W-1809-O Keighton, W.B., 1965, Delaware River water quality, Bristol to Marcus Hook, Pennsylvania, August 1949 to December 1963, 57 p.

37. W-1803 Richardson, C.A., 1965, Maryland in Ground-water levels in the United States, 1959-63, Southeastern States, prepared under the direction of Hackett, O.M., Chief, Ground Water Branch, p 167-176.

38. W-1800 McGuinness, C.L., 1963, The role of ground water in the national water situation, 1121 p.

39. W-1782 Ground-water levels in the United States, 1958-62, Northeastern States, 1965, 252 p.

40. W-1776 Weaver, D.E., and Siu, Leonard, 1964, Chemical quality of the water in Geology and ground-water resources of Washington, D.C., and vicinity, 97 p.

41. W-1767* Rasmussen, W.C., Odell, J.W., and Beamer, N.H., 1966, Delaware water, 106 p.

42. W-1756 Rima, D.R., Coskery, O.J., and Anderson, P.W., 1964, Ground-water resources of southern New Castle County, Delaware, 54 p.

43. W-1699-N Hardison, C.H., and Martin, R.O.R., 1963, Water-supply characteristics of streams in the Delaware River basin and in southern New Jersey, p. N1-N45.

44. W-1619-T Slaughter, T.H., 1962, Beach-area water supplies between Ocean City, Maryland, and Rehoboth Beach, Delaware, p. T1-T10.

45. W-1594-B Boggess, D.H., and Rima, D.H., 1962, Experiments in water spreading at Newark, Delaware, p. B1-B15.

46. W-1586-B* Cohen, Bernard, and McCarthy, L.T., Jr., 1962, Salinity of the Delaware estuary, p. B1-B57.

47. W-1586-C Miller, E.G., 1962, Observations of tidal flow in the Delaware River, p. C1-C26.

48. W-1586-E Lendo, A.C., 1966, Record low tide of December 31, 1962, on the Delaware River, p. E1-E20.

49. W-1586-G Keighton, W.B., 1966, Fresh-water discharge-salinity relations in the tidal Delaware River, p. G1-G16.

50. W-1538 Richardson, C.A., 1962, Ground-water levels in the United States 1956-1958, Southeastern States, prepared under the direction of Hackett, O.M., Chief, Ground Water Branch, p. 126-135.

51. W-1537* Ground-water levels in the United States 1956-57, Northeastern States, 1960, 144 p.

52. W-1532-F Williams, K.F., and Reed, L.A., 1972, Appraisal of stream sedimentation in the Susquehanna River basin, F1-F24.

53. W-1499-F Otton, E.G., Martin, R.O.R., and Durum, W.H., 1964, Water resources of the Baltimore area, Maryland, F1-F105.

54. W-1473 Hem, J.D., 1959, Study and interpretation of the chemical characteristics of natural water, p. 269.

55. W-1472 Rasmussen, W.C., and Andreasen, G.E., 1959, Hydrologic budget of the Beaverdam Creek basin, Maryland, 106 p.

56. W-1420* Bogart, D.B., 1960, Floods of August-October 1955, New England to North Carolina, 854 p.

57. W-1405 Richardson, C.A., 1957, Maryland in Water levels and artesian pressure in observation wells in the United States in 1955, Part 2, Southeastern states, prepared under the direction of Sayre, A.N., Chief, Ground Water Branch, p. 180-200.

58. W-1322 Richardson, C.A., 1956, Maryland in Water levels and artesian pressure in observation wells in the United States in 1954, Part 2, Southeastern states, prepared under the direction of Sayre, A.N., Chief, Ground Water Branch, p. 185-206.

59. W-1302 Geological Survey Research, 1960, Compilation of records of surface waters of the United States through September 1950-Part 1B, North Atlantic slope basins, New York to York River, 679 p.

60. W-1299 Lohr, E.W., and Love, S.K., 1954, The industrial utility of public water supplies in the United States, 1952 in Part 1, States east of...

61. W-1266 Richardson, C.A., 1956, Maryland in Water levels and artesian pressure in observation wells in the United States in 1953, Part 2, Southeastern states, prepared under the direction of Sayre, A.N., Chief, Ground Water Branch, p. 179-209.

62. W-1262 Durfor, C.N., and Keighton, W.B., 1954, Chemical characteristics of Delaware River water, Trenton, New Jersey, to Marcus Hook, Pennsylvania, 173 p.

63. W-1222 Richardson, C.A., 1955, Maryland in Water levels and artesian pressure in observation wells in the United States in 1952, Part 2, Southeastern states, prepared under the direction of Sayre, A.N., Chief, Ground Water Branch, p. 168-199.

64. W-1192 Richardson, C.A., 1954, Maryland in Water levels and artesian pressure in observation wells in the United States in 1951, Part 2, Southeastern states, prepared under the direction of Sayre, A.N., Chief, Ground Water Branch, p. 146-170.

65. W-1166 Richardson, C.A., 1953, Maryland in Water levels and artesian pressure in observation wells in the United States in 1950, Part 2, Southeastern states, prepared under the direction of Paulsen, C.G., Chief hydraulic engineer, p. 180-207.

66. W-1157 Meyer, Gerald, 1952, Maryland in Water levels and artesian pressure in observation wells in the United States in 1949, Part 2, Southeastern states, prepared under the direction of Paulsen, C.G., Chief hydraulic engineer, p. 156-186.

67. W-1127 Meyer, Gerald, 1951, Maryland in Water levels and artesian pressure in observation wells in the United States in 1948, Part 2, Southeastern states, prepared under the direction of Paulsen, C.G., Chief hydraulic engineer, p. 165-176.

68. W-1097 Meyer, R.R., 1951, Maryland in Water levels and artesian pressure in observation wells in the United States in 1947, Part 2, Southeastern states, prepared under the direction of Paulsen, C.G., Chief hydraulic engineer, p. 161-193.

69. W-1072 Meyer, R.R., 1950, Maryland in Water levels and artesian pressure in observation wells in the United States in 1946, Part 2, Southeastern states, prepared under the direction of Paulsen, C.G., Chief hydraulic engineer, p. 167-191.

70. W-1024 Bennett, R.R., 1949, Maryland in Water levels and artesian pressure in observation wells in the United States in 1945, Part 2, Southeastern states, prepared under the direction of Paulsen, C.G., Chief hydraulic engineer, p. 145-164.

71. W-1017 Bennett, R.R., 1947, Maryland in Water levels and artesian pressure in observation wells in the United States in 1944, Part 2, Southeastern states, prepared by Sayre, A.N., and others, p. 269-291.

72. W-995* Jones, B.E., and Helland, R.O., 1948, Index to river surveys made by the United States Geological Survey and other agencies revised to July 1, 1947, 145 p.

73. W-987 Bennett, R.R., Meyer, R.R., Horton, A.H., 1945, Maryland in Water levels and artesian pressure in observation wells in the United States in 1943, Part 2, Southeastern states, prepared under the direction of Meinzer, O.E., and Wenzel, L.K., and others p. 87-105.

74. W-945 Horton, A.H., 1944, Montgomery County, Maryland in Water levels and artesian pressure in observation wells in the United States in 1942, Part 2, Southeastern states, prepared under the direction of Meinzer, O.E., and Wenzel, L.K., and others p. 82-83.

75. W-937 Horton, A.H., 1943, Montgomery County, Maryland in Water levels and artesian pressure in observation wells in the United States in 1941, Part 2. Southeastern states, prepared under the direction of Meinzer, O.E., and Wenzel, L.K., and others p. 62-64.

76. W-907 Horton, A.H., 1942, Montgomery County, Maryland in Water levels and artesian pressure in observation wells in the United States in 1940, Part 2. Southeastern states, prepared under the direction of Meinzer, O.E., and Wenzel, L.K., and others p. 56.

77. W-886 Horton, A.H., 1940, Maryland in Water levels and artesian pressure in observation wells in the United States in 1939, prepared under the direction of Meinzer, O.E., and Wenzel, L.K., p. 252.

78. W-845 Horton, A.H., 1939, Maryland in Water levels and artesian pressure in observation wells in the United States in 1938, prepared under the direction of Meinzer, O.E., geologist in charge of ground-water investigations and Wenzel, L.K., chairman of the Committee on Observation wells, p. 149.

79. W-840 Thomson, M.T., 1938, Maryland in Water levels and artesian pressure in observation wells in the United States in 1937, prepared under the direction of Meinzer, O.E., geologist in charge of ground-water investigations and Wenzel, L.K., chairman of the Committee on Observation wells, p. 120.

80. W-817 Thomson, M.T., 1937, Maryland in Water levels and artesian pressure in observation wells in the United States in 1936 with statements concerning previous work and results, prepared under the direction of Meinzer, O.E., geologist in charge of ground-water investigations and Wenzel, L.K., chairman of the Committee on Observation wells, p. 80-82.

81. W-800* Geological Survey Research, 1937, The floods of March 1936 in Part 3, Potomac, James, and upper Ohio Rivers, 351 p.

82. W-340* Wood, B.D., 1916, Stream-gaging stations and publications relating to water resources, 1885-1913, 195 p.

83. W-236* Dole, R.B., 1909, The quality of the surface waters in the United States in Part 1, Analyses of waters east of the one-hundredth meridian, 123 p.

84. W-19* Parker, H.N. and others, 1907, The Potomac River basin, 364 p.

85. W-149 Darton, N.H., 1905, Preliminary list of Deep Borings in the United States, p. 65-66.

86. W-145* Stose, G.W., and Martin, G.C., 1905, Water resources of the Pawpaw and Hancock quadrangles, West Virginia, Maryland, and Pennsylvania in Contributions to the hydrology of the Eastern United States: Geological Survey Research, p. 58-63.

87. W-114-A* Darton, N.H., and Fuller, M.L., 1905, Delaware in Underground waters of the Eastern United States: Geological Survey Research, p. 111-113.

88. W-114-A* Darton, N.H., and Fuller, M.L., 1905, District of Columbia in Underground waters of the Eastern United States: Geological Survey Research, p. 124-126.

89. W-114-A* Darton, N.H., and Fuller, M.L., 1905, Maryland in Underground waters of the Eastern United States: Geological Survey Research, p. 114-123.

90. W-110 Martin, G.C., 1904, Water resources of the Accident and Grantsville Quadrangles, Maryland, p. 168-173.

91. W-57 U.S. Geological Survey, 1902, Maryland, p. 50.

92. W-114-B* Darton, N.H., and Fuller, M.L., Maryland in Underground waters of the Eastern United States, p. 114-123.

93. W-114-C* Darton, N.H., and Fuller, M.L., District of Columbia in Underground waters of the Eastern United States, p. 124-126.

94. W-110-A* Martin, G.C., 1905, Water resources of the Accident and Grantsville quadrangles, Maryland in Contributions to the hydrology of the Eastern United States: Geological Survey Research, p. 168-170.

95. W-110-B* Martin, G.C., 1905, Water resources of the Frostburg and Flintstone quadrangles, Maryland and West Virginia in Contributions to the hydrology of the Eastern United States: Geological Survey Research, p. 171-173.

96. W-44* Gannett, Henry, 1901, Profiles of rivers in the United States, 100 p.

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Circulars

Single copies of Circulars, still in print, are available from the U.S. Geological Survey, Branch of Information Services, Box 25286, Denver Federal Center, Denver, CO 80225 [(303) 236-7477]. An asterisk (*) indicates that the publication is out of print and not purchasable from any official source.

1. C-1166 Ator, S.W., Blomquist, J.D., Brakebill, J.W., Denis, J.M., Ferrari, M.J., Miller, C.V., and Zappia, Humbert, 1998, Water quality in the Potomac River Basin - Maryland, Pennsylvania, Virginia, West Virginia, and the District of Columbia, 1992-96, 38 p.

2. C-1080 Hamilton, P.A., and Shedlock, R.J., 1992, Are fertilizers and pesticides in the ground water?, 15 p.

3. C-697 Papapdopulos, S.S., Bennett, R.R., Mack, F.K., and Trescott, P.C., 1974, Water from the Coastal Plain aquifers in the Washington, D.C., metropolitan area, 11 p.

4. C-538 LeGrand, H.E., 1967, Ground water of the Piedmont and Blue Ridge provinces in the southeastern states, p. 11.

5. C-529-A Durum, W.H., and Langbein, W.B., 1966, Water quality of the Potomac River estuary at Washington, D.C., 9 p.

6. C-529-B Wilson, J.F., Jr., Cobb, E.D., and Yotsukura, Nobuhiro, 1969, Movement of a solute in the Potomac River estuary at Washington, D.C., at low inflow conditions, 14 p.

7. C-526* Biesecker, J.E., and George, J.R., 1966, Stream quality in Appalachia as related to coalmine drainage, 1965, 27 p.

8. C-438 Searcy, J.K., and Davis, L.C., Jr., 1961, Time of travel of water in the Potomac River, Cumberland to Washington, 12 p.

9. C-381* Knox, C.F., 1956, Index to surface-water records to September 30, 1955 in Part 1, North Atlantic slope basins, 30 p.

10. C-204* Geological Survey Research, 1952, Floods in Youghiogheny and Kiskiminetas River basins, Pennsylvania and Maryland, frequency and magnitude, 22 p.

11. C-190* Geological Survey Research, 1952, Index to water-resources records in the Delaware River basin to September 30, 1951, 19 p.

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Bulletins

When ordering Bulletins, give complete number, such as B-1245 and full title if known. Include your full address and zip code, plainly printed. Prepayment is required and should be made by check or money order payable to Department of the Interior-USGS. Bulletins can be purchaed either as microfiche or paper copy and are available by mail from the U.S. Geological Survey, Branch of Information Services, Box 25286, Denver Federal Center, Denver, CO 80225 [(303) 236-7477}. An asterisk (*) indicates that the publicaltion is out of print and not purchasable from any official source.

1. B-1450-A U.S. Bureau of Mines and U.S. Geological Survey, 1976, Principles of the mineral resource classification system of the U.S. Bureau of Mines and U.S. Geological Survey, p. A1-A5.

2. B-1450-B U.S. Bureau of Mines and U.S. Geological Survey, 1976, Coal resource classification system of the U.S. Bureau of Mines and U.S. Geological Survey, p. B1-B7.

3. B-1428 Marcus, P.A., 1976, Directory to U.S. Geological Survey program activities in coastal areas, 1974-1976, 154 p.

4. B-1422-C Lee, K.Y., 1977, Triassic stratigraphy in the northern part of the Culpeper Basin, Virginia, and Maryland in Contributions to stratigraphy, p. C1-C17

5. B-1286 Reed, J.C., Jr., and Reed, J.C., 1970, Gold veins near Great Falls, Maryland, 22 p.

6. B-1283 Larrabee, D.M., 1969, Serpentinite and rodingite in the Hunting Hill Quarry, Montgomery County, Maryland, 34 p.

7. B-1274 Minard, J.P., Owens, J.P., Sohl, N.F., Gill, H.E., and Mello, J.F., 1969, Cretaceous-Tertiary boundary in New Jersey, Delaware, and eastern Maryland, p. H1-H33.

8. B-1245* Heck, l.W., Wraight, A.J., Orth, D.R., Carter, J.R., VanWinkle, L.G., 1966, Delaware place names, 124 p.

9. B-1173* deWitt, Wallace, Jr., and Colton, G.W., 1964, Bedrock geology of the Evitts Creek and Pattersons Creek quadrangles, Maryland, Pennsylvania, and West Virginia, 90 p.

10. B-1082-K Pearre, N.C., and Heyl, A.V., Jr., 1960, Chromite and other mineral deposits in serpentine rocks of the Piedmont Upland, Maryland, Pennsylvania, and Delaware, p. 707-833.

11. B-967* Carr, M.S., 1950, The District of Columbia: Its rocks and their geologic history, 59 p.

12. B-906-A* Darton, N.H., 1939, Gravel and sand deposits of eastern Maryland adjacent to Washington and Baltimore, p. A1-A42.

13. B-725-B* Knopf, E.B., 1922, Chromes ores of southeastern Pennsylvania and Maryland in Contributions to economic geology: Geological Survey Research, p. 85-99.

14. B-708* Ries, H. and others, 1922, High-grade clays of the Eastern United States, 314 p.

15. B-640-C* Hewett, D.F., 1917, Some manganese mines in Virginia and Maryland in Contributions to economic geology: Geological Survey Research, p. 37-71.

16. B-530-E* Matson, G.C., 1911, Notes on the clays of Delaware in Contributions to economic geology: Geological Survey Research, p. 185-201.

17. B-508* Kindle, E.M., 1912, The Onondaga fauna of the Allegheny region, 144 p.

18. B-434* Geological Survey Research, 1910, Results of spirit leveling in Delaware, District of Columbia, Maryland, and Virginia, 1896-1909 inclusive, 74 p.

19. B-260-B* Weed, W.H., 905, Notes on the gold veins near Great Falls, Md. in Contributions to economic geology: Geological Survey Research, p. 128-131.

20. B-231* Gannett, Henry, 1904, A gazetteer of Maryland, 15 p.

21. B-230* Gannett, Henry, 1904, A gazetteer of Delaware, 15 p.

22. B-141* Clark, W.B., 1896, The Eocene deposits of the middle Atlantic slope in Delaware, Maryland, and Virginia, 167 p.

23. B-138* Darton, N.H., 1899, Artesian-well prospects in the Atlantic Coastal Plain region, 232 p.

24. B-84 Dall, W.H., and Harris, G.D., 1892, Neocene, Correlation papers, 349 p.

25. B-83 Clark, W.B., 1891, Eocene, Correlation papers, 173 p.

26. B-82 White, C.A., 1891, Cretaceous, Correlation papers, 273 p.

27. B-81 Walcott, C.D., 1891, Cambrian: Correlation papers, 447 p.

28. B-59* Chester, F.D., 1890, The gabbros and associated rocks in Delaware, 15 p.

29. B-56* Knowlton, F.H., 1889, Fossil wood and lignite of the Potomac formation, 72 p.

30. B-28* Williams, G.H., 1886, The gabbros and associated hornblende rocks occurring in the neighborhood of Baltimore, Md., 78 p.

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Hydrologic Investigations Atlases

When ordering a Hydrologic Investigation Atlas, give complete number, such as HA-365 and full title if known. Include your full address and zip code, plainly printed. Prepayment is required and should be made by check or money order payable to Department of the Interior-USGS. Hydrologic Investigations Atlas can be mail from the U.S. Geological Survey, Branch of Information Services, Box 25286, Denver Federal Center, Denver, CO 80225 [(303) 236-7477].

1. HA-365 Weigle, J.M., Webb, W.E., and Gardner, R.A., 1970, Water resources of southern Maryland, scale 1:250,000.

2. HA-335 Keighton, W.B., 1969, Water quality in the Delaware estuary for two years of drought: 1965 and 1966 from Trenton, N.J., to Reedy Island, Del., scale 1:1,000,000.

3. HA-295 Wyrick, G.G., 1968, Ground-water resources of the Appalachian region, 5 sheets.

4. HA-244 Crooks, J.W., O'Bryan, Deric, and others, 1967, Water resources of the Patuxent River basin, Maryland, scale 1:250,000, 5 sheets.

5. HA-243 Barksdale, H.C., O'Bryan, Deric, Schneider, W.J., 1966, Effect of drought on water resources in the Northeast.

6. HA-198 Schneider, W.J., 1965, Water resources of the Appalachian Region, Pennsylvania to Alabama.

7. HA-141 Boggess, D.H., Davis, C.F., and others, 1964-65, Water-table, surface-drainage, and engineering soils maps of the Wyoming quandrangle, Delaware, scale 1:24,000.

8. HA-140 Boggess, D.H., Davis, C.F., and others, 1964-65, Water-table, surface-drainage, and engineering soils maps of the Frederica area, Delaware, scale 1:24,000.

9. HA-139 Boggess, D.H., Davis, C.F., and others, 1964-65, Water-table, surface-drainage, and engineering soils maps of the Dover quadrangle, Delaware, scale 1:24,000.

10. HA-138 Boggess, D.H., Davis, C.F., and others, 1964-65, Water-table, surface-drainage, and engineering soils maps of the Kenton area, Delaware, scale 1:24,000.

11. HA-137 Boggess, D.H., Davis, C.F., and others, 1964-65, Water-table, surface-drainage, and engineering soils maps of the Mispillion River, Delaware, scale 1:24,000.

12. HA-136 Boggess, D.H., Davis, C.F., and others, 1964-65, Water-table, surface-drainage, and engineering soils maps of the Harrington quandrangle, Delaware, scale 1:24,000.

13. HA-135 Boggess, D.H., Davis, C.F., and others, 1964-65, Water-table, surface-drainage, and engineering soils maps of the Burrsville area, Delaware, scale 1:24,000.

14. HA-134 Boggess, D.H., Davis, C.F., and others, 1964-65, Water-table, surface-drainage, and engineering soils maps of the Little Creek quadrangle, Delaware, scale 1:24,000.

15. HA-133 Boggess, D.H., Davis, C.F., and others, 1964-65, Water-table, surface-drainage, and engineering soils maps of the Milford quadrangle, Delaware, scale 1:24,000.

16. HA-132 Boggess, D.H., Davis, C.F., and others, 1964-65, Water-table, surface-drainage, and engineering soils maps of the Marydel area, Delaware, scale 1:24,000.

17. HA-123 Adams, J.K., Boggess, D.H., and others, 1964, Water-table, surface-drainage and engineering soils map of the Laurel area, Delaware, scale 1:24,000.

18. HA-122 Adams, J.K., Boggess, D.H., and others, 1964, Water-table, surface-drainage and engineering soils map of the Bethany Beach area, Delaware, scale 1:24,000.

19. HA-121 Adams, J.K., Boggess, D.H., and others, 1964, Water-table, surface-drainage and engineering soils map of the Millsboro area, Delaware, scale 1:24,000.

20. HA-120 Adams, J.K., Boggess s, D.H., and others, 1964, Water-table, surface-drainage and engineering soils map of the Trap Pond area, Delaware, scale 1:24,000.

21. HA-119 Adams, J.K., Boggess, D.H., and others, 1964, Water-table, surface-drainage and engineering soils map of the Frankford area, Delaware, scale 1:24,000.

22. HA-109 Boggess, D.H., Adams, J.K., and others, 1964, Water-table, surface-drainage, and engineering soils maps of the Rehoboth Beach area, Delaware, scale 1:24,000.

23. HA-108 Boggess, D.H., Adams, J.K., and others, 1964, Water-table, surface-drainage, and engineering soils maps of the Harbeson quadrangle, Delaware, scale 1:24,000.

24. HA-107 Boggess, D.H., Adams, J.K., and others, 1964, Water-table, surface-drainage, and engineering soils maps of the Georgetown quadrangle, Delaware, scale 1:24,000.

25. HA-106 Boggess, D.H., Adams, J.K., and others, 1964, Water-table, surface-drainage, and engineering soils maps of the Seaford East quadrangle, Delaware, scale 1:24,000.

26. HA-105 Boggess, D.H., Adams, J.K., and others, 1964, Water-table, surface-drainage, and engineering soils maps of the Seaford West area, Delaware, scale 1:24,000.

27. HA-103 Adams, J.K., Boggess, D.H., and others, 1964, Water-table, surface-drainage and engineering soils map of the Lewes area, Delaware, scale 1:24,000.

28. HA-102 Adams, J.K., Boggess, D.H., and others, 1964, Water-table, surface-drainage and engineering soils map of the Milton quadrangle, Delaware, scale 1:24,000.

29. HA-101 Adams, J.K., Boggess, D.H., and others, 1964, Water-table, surface-drainage and engineering soils map of the Ellendale quandrangle, Delaware, scale 1:24,000.

30. HA-100 Adams, J.K., Boggess, D.H., and others, 1964, Water-table, surface-drainage and engineering soils map of the Hickman area, Delaware, scale 1:24,000.

31. HA-99 Adams, J.K., Boggess, D.H., and others, 1964, Water-table, surface-drainage and engineering soils map of the Greenwood quandrangle, Delaware, scale 1:24,000.

32. HA-84 Adams, J.K., Boggess, D.H., and others, 1964, Water-table, surface-drainage and engineering soils map of the Sharptown area, Delaware, scale 1:24,000.

33. HA-83 Adams, J.K., Boggess, D.H., and others, 1964, Water-table, surface-drainage and engineering soils map of the Clayton area, Delaware, scale 1:24,000.

34. HA-82 Adams, J.K., Boggess, D.H., and others, 1964, Water-table, surface-drainage and engineering soils map of the Middletown area, Delaware, scale 1:24,000.

35. HA-81 Adams, J.K., Boggess, D.H., and others, 1964, Water-table, surface-drainage and engineering soils map of the Smyrna area, Delaware, scale 1:24,000.

36. HA-80 Adams, J.K., Boggess, D.H., and others, 1964, Water-table, surface-drainage and engineering soils map of the Taylors Bridge area, Delaware, scale 1:24,000.

37. HA-79 Adams, J.K., Boggess, D.H., and others, 1964, Water-table, surface-drainage and engineering soils map of the Wilmington area, Delaware, scale 1:24,000.

38. HA-64 Boggess, D.H., and Adams, J.K., 1963, Water-table, surface-drainage and engineering soils map of the Newark area, Delaware, scale 1:24,000.

39. HA-61 Rainwater, F.H., 1962, Stream composition of the conterminous United States, 3 sheets, 1:24,000.