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:

• Scientific Investigation Reports/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
  • Journal of American Water Resources Association
  • Journal of Environmental Quality
  • Groundwater
  • In Situ and On-Site Bioremediation
  • Susquehanna Guardian
  • Water Resources Bulletin
  • Water Resources Research
• Unnumbered Reports
• Abstracts, Articles, and Papers
• Cooperators
  • Delaware Geological Survey
  • Maryland Geological Survey
  • Maryland Department of Natural Resources

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].

• SIR 2006-5146 By Kernell G. Ries III and Jonathan J.A. Dillow, Magnitude and Frequency of Floods on Nontidal Streams in Delaware 65p.

• SIR 2006-5094 By John W. Brakebill, Jennifer B. Sieverling, and Peter G. Chirico, Proceedings of the U.S. Geological Survey Sixth Biennial Geographic Information Science Workshop, Denver, Colorado, April 24-28, 2006 58p.

• SIR 2006-5080 By Jonathan J.A. Dillow and Jeff P. Raffensperger, Estimates of the Loads of Nitrite + Nitrate in the Flow of Bassett Creek to the Maryland Coastal Bays Adjacent to Assateague Island National Seashore, Water Years 2003–2004 18p.

• SIR 2006-5038 By Angélica L. Gutiérrez-Magness, Simulation of Nutrient and Sediment Concentrations and Loads in the Delaware Inland Bays Watershed: Extension of the Hydrologic and Water-Quality Model to Ungaged Segments 36p.

• SIR 2006-5011 By Michael T. Koterba, A. Scott Andres (Delaware Geological Survey), Joseph Vrabel, Dianna M. Crilley, Zolton Szabo, John F. DeWild, George R. Aiken, and Betzaida Reyes-Padro, Occurrence and Distribution of Mercury in the Surficial Aquifer, Long Neck Peninsula, Sussex County, Delaware, 2003-04 175p.

• SIR 2005-5057 By Michelle M. Lorah, Tracey A. Spencer, and Angela L. McGinty, Temporal Changes in Indicators of Natural Attenuation and Physical Controlling Factors for a Freshwater Tidal Wetland Contaminated With Chlorinated Volatile Organic Compounds, West Branch Canal Creek, Aberdeen Proving Ground, Maryland, 1995-2001 64p.

• SIR 2004-5220 By Michelle M. Lorah, David R. Burris, and Linda Jo Dyer, Natural Attenuation of Chlorinated Solvent Groundwater Plumes Discharging Into Wetlands 233p.

• SIR 2004-5125 By Michael P. Senus, Michael J. Langland, and Douglas L. Moyer, Nutrient and Sediment Concentrations, Loads, and Trends for Four Nontidal Tributaries in the Chesapeake Bay Watershed, 1997-2001 33p.

• SIR 2004-5118 By Earl A. Greene, Andrew E. LaMotte, and Kerri-Ann Cullinan, Groundwater Vulnerability to Nitrate Contamination at Multiple Thresholds in the Mid-Atlantic Region Using Spatial Probability Models, 24p.

• SIR 2004-5056 By Allen C. Gellis, William S.L. Banks, Michael J. Langland, and Sarah K. Martucci, Summary of Suspended-Sediment Data for Streams Draining the Chesapeake Bay Watershed, Water Years 1952–2002, 59p.

• SIR 2004-5051 By Scott W. Ator, Judith M. Denver, and Michael J. Brayton, Hydrologic and Geochemical Controls on Pesticide and Nutrient Transport to Two Streams on the Delmarva Peninsula, 34 p.

• SIR 2004-5190 By Lisa D. Olsen and Frederick J. Tenbus, Design and Analysis of a Natural-Gradient Groundwater Tracer Test in a Freshwater Tidal Wetland, West Branch Canal Creek, Aberdeen Proving Ground, Maryland, 116p.

• SIR 2004-5011 Marie Stewart, William R. Guertal, and Jeffrey R. Barbaro (USGS) and Timothy McHale (Dover National Test Site), Distribution of Methyl Tert-Butyl Ether (MTBE) and Selected Water-Quality Constituents in the Surficial Aquifer at the Dover National Test Site, Dover Air Force Base, Delaware, 2001, 13 p.

• WRIR 03-4119 By Michelle M. Lorah, Mary A. Voytek, and Tracey A. Spencer, Preliminary Assessment of Microbial Communities and Biodegradation of Chlorinated Volatile Organic Compounds in Wetlands at Cluster 13, Lauderick Creek Area, Aberdeen Proving Ground, Maryland, 19 p.

• WRIR 03-4124 Angélica L. Gutiérrez-Magness and Jeff P. Raffensperger, Development, Calibration, and Analysis of a Hydrologic and Water-Quality Model of the Delaware Inland Bays Watershed, 46 p.

• WRIR 03-4294 By Earl A. Greene, Allen M. Shapiro, and Andrew E. LaMotte, Hydrogeologic Controls on Groundwater Discharge to the Washington METRO Subway Tunnel Near the Medical Center Station and Crossover, Montgomery County, Maryland, 33 p.

• WRIR 02-4282 Daniel J. Soeder and Cherie V. Miller, Groundwater Contamination from Lead Shot at Prime Hook National Wildlife Refuge, Sussex County, Delaware, 26 p.

• WRIR 02-4076 Daniel J. Phelan, William B. Fleck, Michelle M. Lorah, and Lisa D. Olsen, Changes in Groundwater Quality in the Canal Creek Aquifer Between 1995 and 2000–2001, West Branch Canal Creek Area, Aberdeen Proving Ground, Maryland, 42 p.

• WRIR 02-4157 Michelle M. Lorah, Mary A. Voytek, Julie D. Kirshtein, and Elizabeth J. (Phillips) Jones, Anaerobic Degradation of 1,1,2,2-Tetrachloroethane and Association with Microbial Communities in a Freshwater Tidal Wetland, Aberdeen Proving Ground, Maryland: Laboratory Experiments and Comparisons to Field Data, 61p.

• WRIR 02-4121 Jeffrey R. Barbaro and Pradumna P. Neupane, Distribution and Mass Loss of Volatile Organic Compounds in the Surficial Aquifer at Sites FT03, LF13, and WP14/LF15, Dover Air Force Base, Delaware, November 2000–February 2001, 53p.

• WRIR 02-4067 A.L. Anderson,, C.V. Miller, L.D. Olsen, E.J. Doheny, and D.J. Phelan, 2002, Water quality, sediment quality, and stream-channel classification of Rock Creek, Washington, D.C., 1999-2000, 91 p.

• WRIR 02-4029 Jonathan J.A. Dillow, William S.L. Banks and Michael J. Smigaj, Groundwater Quality and Discharge to Chincoteague and Sinepuxent Bays Adjacent to Assateague Island National Seashore, Maryland, 42p.

• WRIR 01-4216 William S.L. Banks and David A. Battigelli, Occurrence and Distribution of Microbiological Contamination and Enteric Viruses in Shallow Groundwater in Baltimore and Harford Counties, Maryland, 44p.

• WRIR 01-4147 William S.L. Banks, Cheryl A. Klohe, and David A. Battigelli, Occurrence and Distribution of Enteric Viruses in Shallow Groundwater and Factors Affecting Well Vulnerability to Microbiological Contamination in Worcester and Wicomico Counties, Maryland, 28p.

• WRIR 01-4150 Jeffry R. Barbaro, Assessment of Natural Attenuation of Groundwater Contamination at Sites FT03, LF13, and WP14/LF15, Dover Air Force Base, Delaware, 53p.

• WRIR-01-4106 Frederick J. Tenbus and William B. Fleck, Simulation of Groundwater Flow and Transport of Chlorinated Hydrocarbons at Graces Quarters, Aberdeen Proving Ground, Maryland, 57p.

• WRIR 00-4283 William S. L. Banks and Jonathan J.A. Dillow, Optimization of Groundwater Withdrawal at the Old O-Field Area, Aberdeen Proving Ground, Maryland, 23p.

• WRIR-00-4156 Steven E. Yochum, A Revised Load Estimation Procedure for the Susquehanna, Potomac, Patuxent, and Choptank Rivers, 49p.

• WRIR-00-4232 Stephen D. Preston, Statistical Identification of Hydrochemical Response Units for Hydrologic Monitoring and Modeling in Maryland

• WRIR 99-4240 William S.L. Banks and Andrew E. LaMotte, Sediment Accumulation and Water Volume in Loch Raven Reservoir, Baltimore County, Maryland Poster reformatted for the Web.

• WRIR 99-4224 Kurt C. Hinaman and Frederick J. Tenbus, Hydrogeology and Simulation of Groundwater Flow at Dover Air Force Base, Delaware, 72p.

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

• WRIR 99-4167 Dillow, Jonathan J.A., and Greene, Earl A., Groundwater 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. Groundwater 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., Groundwater 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., Groundwater 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 Groundwater 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 Groundwater 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 Groundwater 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 Groundwater to Land-Use in Four Subunits of the Potomac River Basin, 26 p.

• WRIR 96-4233 Guidelines and Standard Procedures for Studies of Groundwater 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 Groundwater of the Lower Susquehanna and Potomac River Basin, 6 p.

• WRIR 96-4044 Tenbus, F.J., and Fleck, W.B., Groundwater 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 Groundwater 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 Groundwater in the Great Valley carbonate subunit of the Potomac River Basin, 6 p.

• WRIR 95-4075 Hughes, W.B., Groundwater 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 Groundwater 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 Groundwater 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 Groundwater 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 Groundwater 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 Groundwater, 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 Groundwater 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., Groundwater temperature of the Wyoming quadrangle in central Delaware, with application to Groundwater-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., Groundwater 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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