Metallurgical Studies of Rhodonite Ores, Silverton District, Colorado (in Three Parts)
Subtitle: 1: Beneficiation Tests to Produce Manganese Concentrates.
Contributors: Agey, W.; Schack, C.; Clemmer, J.
Series: Report of investigations (United States. Bureau of Mines) -- 6055
Publisher: s.n
Published: 1963
Place of publication: S.l
Language: eng
Notes: 1