Beneficiation of Oxide Manganese Ores From Arapahoe, Douglas, Saguache, Custer, Chaffee, and Park Counties, Colorado.
Contributors: Wells, R.; Vincent, K.; Mitchell, T.
Series: Report of investigations (United States. Bureau of Mines) -- 4845
Publisher: s.n
Published: 1951
Place of publication: S.l
Language: eng
Notes: 1