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This publication on water resource management comes from the United States Geological Survey (USGS) and is in .pdf format. Water-resources Report #00-4058 was prepared for the Pennsylvania Department of Transportation by the Pennsylvania Water Resources Division. The investigation assessed whether two endangered species of freshwater mussel would be affected by proposed road bridge reconstruction. Abundances of the endangered mussels (Epioblasma torulosa rangiana and Pleurobema clava) were observed, and depth, substrate, stream velocity, channel width, and siltation were measured.
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