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Title: pH in streams draining small mined and unmined watersheds in the coal region of Appalachia
Author: Dyer, Kenneth L.; Curtis, Willie R.;
Source: Research Note NE-314. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 5p.
Publication Series: Research Note (RN)
Description: To 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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Dyer, 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.
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