00985cam a22002771 4500 gs 43000042 DLC 20260227111349.0 881109s1943 idua b 000 0 eng c gs 43000042 (OCoLC)18728665 U.S. Geol. Survey Library MsU DLC premarc TN24.I2 A43 no. 63 622.75 557.96 Prater, Lewis Seward, 1915- Flotation tests on fluorite ore from Lemhi County, Idaho, by Lewis S. Prater. Moscow, Id., University of Idaho [1943] 2 p. l., 8 numb. l. incl. illus. (diagr.) tables. 28 cm. Idaho. Bureau of Mines and Geology. Pamphlet 63 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. Fluorspar. Flotation. 27890 27890