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研究报告 [3]
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2017 [1]
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Evaluation of long-term trends in hydrologic and water-quality conditions, and estimation of water budgets through 2013, Chester County, Pennsylvania [研究报告]
10.3133/sir20175025U.S. Geological Survey. 2017-01-01
Sloto, Ronald A. rasloto@usgs.gov;  Reif, Andrew G. agreif@usgs.gov
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A benthic-macroinvertebrate index of biotic integrity and assessment of conditions in selected streams in Chester County, Pennsylvania, 1998-2009 [研究报告]
U.S. Geological Survey. 2012-01-01
Reif, Andrew G. agreif@usgs.gov
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Occurrence of pharmaceuticals, hormones, and organic wastewater compounds in Pennsylvania waters, 2006-09 [研究报告]
U.S. Geological Survey. 2012-01-01
Reif, Andrew G. agreif@usgs.gov;  Crawford, J. Kent;  Loper, Connie A.;  Proctor, Arianne;  Manning, Rhonda;  Titler, Robert
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