Metallurgical studies of rhodonite ores, Silverton district, Colorado (in three parts). [Part] 1, Beneficiation tests to produce manganese concentrates - Agey, W. W. (Wallace Woods); Clemmer, J. B. (Julius Bruce), 1904-1963.; Schack, Carl H. (Washington, D.C. : U.S. Dept. of the Interior, Bureau of Mines, 1962)
Mode of access: Internet.
Keywords: Beneficiation; Manganese