Preparing for the third decade of the National Water-Quality Assessment Program /
"The first two decades of the U.S. Geological Survey's National Water Quality Assessment (NAWQA) Program have provided a successful and useful assessment of U.S. water-quality conditions, how they have changed over time, and how natural features and human activities have affected those con...
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Format: | Electronic eBook |
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Language: | English |
Published: |
Washington, District of Columbia :
National Academies Press,
[2012]
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Subjects: | |
Online Access: | CONNECT |