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Assessing the vulnerability of public-supply wells to contamination from urban, agricultural, and na

Eberts, Sandra M.
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2005] 2005

Effects of urbanization on stream ecosystems

Couch, Carol A. (Carol Anne), 1956-
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2002] 2002

Man-made organic compounds in source water of nine community water systems that withdraw from stream

Kingsbury, James A.
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2008] 2008

Mercury in stream ecosystems : new studies initiated by the U.S. Geological Survey

Brigham, Mark E.
[Reston, Va.? : U.S. Dept. of the Interior, U.S. Geological Survey, 2003] 2003

Monitoring and assessing our nation's water quality

Mallard, Gail E.
[Reston, Va.? : U.S. Dept. of the Interior, U.S. Geological Survey, 2002] 2002

Monitoring our rivers and streams

Erwin, Martha L.
[Reston, Va.? : U.S. Dept. of the Interior, U.S. Geological Survey, 2002] 2002

MTBE and other volatile organic compounds new findings and implications on the quality of source wat

Zogorski, John S.
Rapid City, SD : U.S. Geological Survey, National Water-Quality Assessment Program, [2001] 2001

National Water-Quality Assessment Program--Cycle II regional assessments of aquifers

Lapham, Wayne W.
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2005] 2005

The National Water-Quality Assessment Program entering a new decade of investigations

Gilliom, Robert J.
[Reston, Va. : U.S. Geological Survey, 2001] 2001

National Water-Quality Assessment Program, source water-quality assessments

Delzer, Gregory C.
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2007] 2007

New studies initiated by the U.S. Geological Survey : effects of nutrient enrichment on stream ecosy

Munn, Mark D.
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2003] 2003

New studies initiated by the U.S. Geological Survey effects of nutrient enrichment on stream ecosyst

Munn, Mark D.
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2003] 2003

Persistence of the DDT pesticide in the Yakima River Basin, Washington

Rinella, Joseph F.
[Reston, VA] : U.S. Dept. of the Interior, U.S. Geological Survey ; Washington : U.S. G.P.O., 1993. 1993

Pesticides in the Nation's streams and ground water, 1992-2001 : a summary

Gilliom, Robert J.
Sacremento, Calif. : U.S. Geological Survey, 2006. 2006

Quality of water from domestic wells in principal aquifers of the United States, 1991-2004 overview

Desimone, Leslie A.
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2009. 2009

Studies by the U.S. Geological Survey on sources, transport, and fate of agricultural chemicals

Capel, Paul D.
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2004] 2004

Volatile organic compounds in the nation's ground water and drinking-water supply wells : a summary

Moran, Michael J. (Michael James), 1962-
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2006] 2006

Water quality in the nation's streams and aquifers : overview of selected findings, 1991-2001

Hamilton, Pixie A.
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : Information Services [distributor], 2004. 2004