American Water Resources Association's Symposium on the Future Quality of the Great Lakes
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Published: 1994
Total Pages: 38
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Selected Water Resources Abstracts
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Published: 1991
Total Pages: 806
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DOWNLOAD EBOOKSelected Water Resources Abstracts
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Published: 1991
Total Pages: 1194
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DOWNLOAD EBOOKStatus and Trends of the Nation's Biological Resources, V. 1 and 2
Author: Catherine E. Puckett Haecker
Publisher: Geological Survey (USGS)
Published: 1998
Total Pages: 482
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DOWNLOAD EBOOKAssesses the health of the United States plants, animals, and ecosystems.
New Publications of the U.S. Geological Survey
Author: Geological Survey (U.S.)
Publisher:
Published: 2002
Total Pages: 470
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Author: Geological Survey (U.S.)
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Published: 2002
Total Pages: 76
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DOWNLOAD EBOOKFocus on International Joint Commission Activities
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Published: 1990
Total Pages: 390
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DOWNLOAD EBOOKNew Publications of the U.S. Geological Survey
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Published: 2002
Total Pages: 76
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