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Are fertilizers and pesticides in the ground water
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Assessing the vulnerability of public-supply wells to contamination from urban, agricultural, and natural sources
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Effects of urbanization on stream ecosystems
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Man-made organic compounds in source water of nine community water systems that withdraw from streams, 2002-05
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National Water-Quality Assessment Program, source water-quality assessments
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National Water-Quality Assessment Program--Cycle II
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New studies initiated by the U.S. Geological Survey
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Pesticides in the nation's streams and ground water, 1992-2001
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Quality of water from domestic wells in principal aquifers of the United States, 1991-2004
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Studies by the U.S. Geological Survey on sources, transport, and fate of agricultural chemicals
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The National Water-Quality Assessment Program
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Volatile organic compounds in the nation's ground water and drinking-water supply wells
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