00869cam a22002531 4500 gs 49000153 DLC 20260227111355.0 810709s1949 idu 000 0 eng c gs 49000153 (OCoLC)7567513 U. S. Geol. Survey. Libr. GStG GStG DLC premarc TN24.I2 A43 no. 87 Staley, William Wesley, 1898- . Preliminary investigation of concentrating certain minerals in Idaho placer sand, by W. W. Staley and James S. Browning. Moscow, University of Idaho, 1949. 23 l., illus. 28 cm. Idaho Bureau of Mines and Geology. Pamphlet, no. 87 "References": leaves 12-13. Mines and mineral resources Idaho. Black sand. Browning, James S. 28382 28382