Flotation tests on fluorite ore from Lemhi County, Idaho - Prater, Lewis Seward, 1915- (Moscow, Id., University of Idaho, 1943)
At head of title: ... State of Idaho, C.A. Bottolfsen, governor. Idaho Bureau of Mines and Geology, A.W. Fahrenwald, director.
Mimeographed.
Bibliography: leaf 8.
Keywords: Fluorspar; Flotation