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Factors affecting spatial and temporal variability in nutrient and pesticide concentrations in the s

Debrewer, Linda M.
Reston, Va. : U.S. Geological Survey, 2007. 2007

Hydrologic and geochemical controls on pesticide and nutrient transport to two streams on the Delmar

Ator, Scott W.
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2005. 2005

Natural and human influences on water quality in a shallow regional unconsolidated aquifer, northern

Ator, Scott W.
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2008. 2008

A regional classification of the effectiveness of depressional wetlands at mitigating nitrogen trans

Ator, Scott W., author.
Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2013. 2013

Sources, fate, and transport of nitrogen and phosphorus in the Chesapeake Bay Watershed-an empirical

Ator, Scott W.
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2011. 2011

Synthesis of U.S. Geological Survey science for the Chesapeake Bay ecosystem and implications for en

Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2007. 2007