Progress Reports
Subtitle: Metallurgical Division. 36. Ore-Testing Studies, 1938-39 (Primarily Ore-Dressing).
Contributors: Engel, A.L.; Shelton, S.M.
Series: Report of investigations (United States. Bureau of Mines) -- 3484
Publisher: s.n
Published: 1939
Place of publication: S.l
Language: eng
Notes: 1