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SPARROW: SPAtially Referenced Regressions on Watershed Attributes

National SPARROW Applications

SPARROW Fact Sheet

Nutrient Applications in the Chesapeake Bay Watershed

National data applied to the Chesapeake Bay watershed

Version 1.0, late 1980s TN & TP

Version 2.0, early 1990's, TN & TP

Version 3.0, late 1990s, TN & TP

Version 4.0, Early 2000s, TN & TP