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pH in streams draining small mined and unmined watersheds in the coal region of AppalachiaAuthor(s): Kenneth L. Dyer; Willie R. Curtis
Source: Research Note NE-314. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 5p.
Publication Series: Research Note (RN)
Station: Northeastern Research Station
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DescriptionTo better evaluate the effects of surface mining for coal in first-order watersheds in Appalachia, a network of 421 water-quality sampling stations was established in 136 counties in nine states in 1977 and sampled on approximately a monthly basis until August 1979. Three categories of watersheds were sampled: (1) unmined, (2) mined after January 1972, and (3) mined before January 1972. Mean pH values averaged 7.0, 6.7, and 6.3 for these three categories of watersheds, respectively.
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CitationDyer, Kenneth L.; Curtis, Willie R. 1983. pH in streams draining small mined and unmined watersheds in the coal region of Appalachia. Research Note NE-314. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 5p.
- Timber resource statistics for Washington, January 1, 1973.
- Timber resource statistics for Oregon, January 1, 1973.
- Forest resources of Alabama
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