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The U.S. Geological Survey Drinking Water Initiative
Language: en
Pages: 2
Authors:
Categories: Drinking water
Type: BOOK - Published: 1997 - Publisher:

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U.S. Geological Survey Toxic Substances Hydrology Program
Language: en
Pages: 498
Authors: U.S. Geological Survey Toxic Substances Hydrology Program. Technical Meeting
Categories: Water
Type: BOOK - Published: 1999 - Publisher:

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U.S. Geological Survey Toxic Substances Hydrology Program: Contamination of hydrologic systems and related ecosystems
Language: en
Pages: 510
Authors: U.S. Geological Survey Toxic Substances Hydrology Program. Technical Meeting
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Opportunities to Improve the U.S. Geological Survey National Water Quality Assessment Program
Language: en
Pages: 253
Authors: National Research Council
Categories: Nature
Type: BOOK - Published: 2002-04-05 - Publisher: National Academies Press

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The U.S. Geological Survey (USGS) established the National Water Quality Assesment (NAWQA) program in 1985 to assess water quality conditions and trends in repr