Beneficiation of oxide manganese ores from Arapahoe, Douglas, Saguache, Custer, Chaffee, and Park Counties, Colorado

Author: Wells, R. R.
Additional Authors: Wells, R. R., Mitchell, T. F., Vincent, K. C.
Year: 1952
Document Type: BMRA
Issuing Agency: United States Department of the Interior, Bureau of Mines,
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number: 4845
Link: https://hdl.handle.net/2027/mdp.39015078493254

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