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Ziemkiewicz, P. F., Meek, F. A., Jr., Skousen, J. G., & Ziemkiewicz, P. F. (1996). Long term behavior of acid forming rock; results of 11-year field studies. In Acid mine drainage control and treatment. Morgantown: West Virginia University and the National Mine Land Reclamation Center.
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Ziemkiewicz, P., Skousen, J., & Simmons, J. (2001). Cost benefit analysis of passive treatment systems.
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Wilmoth, R. C., Mason, D. G., & Gupta, M. (1972). Treatment of ferrous iron acid mine drainage by reverse osmosis.
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Walitt, A., Jasinski, R., & Keilin, B. (1970). Silicate treatment of coal mine refuse piles.
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Swoboda-Colberg, N., Colberg, P., & Smith, J. L. (1994). Constructed vertical flow aerated wetlands.
Abstract: In the report, wetland technology is described in which the main reactive layer is limestone gravel (rather than organic material) which is overlain by a fine gravel filter and soil. The three-year project included laboratory and field studies. Vertical aerated wetlands, simulated by columns, constructed in the field and in the laboratory, were operated during the project. The report presents a summary of results given in previous reports and summaries of results obtained using water from Butte, MT, and field studies at the Rockford Tunnel, near Idaho Springs, CO.
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