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Jill Burrows Ph.D. Candidate, Lehigh University, “Geochemical and Hydrologic Controls on Abandoned Coal Mine Discharge”
Water samples were collected from 23 Coal Mine Discharges (CMDs) in the summer and fall of 2012 in the anthracite coal region of Pennsylvania to evaluate the changes in geochemistry and hydrology over time by comparing the results to studies conducted on the same discharges in 1975, 1991, and 1999 by the U.S. Geological Survey. Geochemical modeling was used to establish a timeline for inorganic pyrite dissolution.