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2012 [1]
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Variability in stream chemistry in relation to urban development and biological condition in seven metropolitan areas of the United States, 1999-2004 [研究报告]
U.S. Geological Survey. 2012-01-01
Beaulieu, Karen M. kmbeauli@usgs.gov;  Bell, Amanda H. ahbell@usgs.gov;  Coles, James F. jcoles@usgs.gov
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