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Weathering of Sulfidic Shale and Copper Mine Waste: Secondary Minerals and Metal Cycling in Great Smoky Mountains National Park, Tennessee, and North Carolina, USA." Environmental Geology 45, no. 1 (2003): 35-57.
"Preliminary Report on Water Quality Associated with the Abandoned Fontana and Hazel Creek Mines, Great Smoky Mountains National Park, North Carolina and Tennessee. Washington, D.C.: U. S. Department of the Interior, U. S. Geological Survey, 1998.