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- Cecala, Andrew B.7
- United States. Environmental Protection Agency. Office of Solid Waste and Emergency Response5
- United States. Environmental Protection Agency. Effluent Guidelines Division3
- Divers, Edward F.2
- Grannemann, N. G.2
- Malhotra, Deepak2
- National Institute for Occupational Safety and Health. Office for Mine Safety and Health Research, issuing body2
- ebrary, Inc2
- Barratt, Derek J. (Derek John), 1939-1
- Clements, D. F.1
- Commonwealth Mining and Metallurgical Congress (6th : 1957 : Vancouver, B.C., etc.)1
- Geological Survey (U.S.)1
- Geological Survey (U.S.), issuing body1
- Halbe, D. N. (Doug N.)1
- Industrial Minerals Association-North America1
- Isaacson, A. E. (Alan E.)1
- Kenworthy, H. (Heine)1
- Klinowski, George W.1
- Michigan. Department of Natural Resources1
- Mineral Processing Plant Design, Practice, and Control Conference (2002 : Vancouver, B.C.)1