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Walton-Day, K. (2003). (R. Raeside, Ed.). Short Course Series Volume. 31: Mineralogical Association of Canada.
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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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Strohl, J. H., & Hern, J. L. (1976). Removal of undesirable cations from acid mine water by a new cation-exchange material. Morgantown, W.V.: Water Research Institute, Center for Extension and Continuing Education, West Virginia University.
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Stewart, B. R. (1996). The influence of fly ash additions on acid mine drainage production from coarse coal refuse. Ph.D. thesis, Virginia Polytechnic Institute and State University,, Blacksburg.
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