Effects of coal-mine discharges on the quality of the Stonycreek River and its tributaries, Somerset and Cambria counties, Pennsylvania /
by Donald R. Williams, James I. Sams III, and Mary E. Mulkerrin ; prepared in cooperation with the Somerset Conservation District.
Description
- Language(s)
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English
- Published
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Lemoyne, Pa. : U.S. Dept. of the Interior, U.S. Geological Survey ; 1996.
- Note
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Shipping list no. 97-0062-P.
- Physical Description
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vi, 95 p. :
ill., maps (some col.) ;
28 cm.
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