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Author: Delaware River Basin Commission
Author: Geological Survey (U.S.)
Region: Pennsylvania
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Delaware River Basin Commission
Geological Survey (U.S.)
3
Senior, Lisa A.
2
Delaware. Department of Natural Resources and Environmental Control
2
Koerkle, Edward H.
2
Pennsylvania. Department of Environmental Protection
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2
Schreffler, Curtis L.
2
Sloto, Ronald A.
1
Bird, Philip H.
1
Cecil, L. DeWayne
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