01018cam a22002771 4500 gs 56000196 DLC 20260227111404.0 780307s1956 oruab b 000 0 eng c gs 56000196 (OCoLC)3693899 U.S. Geol. Survey. Libr. ULA OCoLC DLC QE155 .A3 no. 46 TN948.B2 C63 Copy 2. 553.49 Corcoran, Raymond E. Ferruginous bauxite deposits in the Salem Hills, Marion County, Oregon, by R. E. Corcoran and F. W. Libbey. Portland, 1956. 53 p. illus., maps (part col.) diagrs., tables. 28 cm. Oregon. Dept. of Geology and Mineral Industries. Bulletin no. 46 Part of illustrative matter folded in pocket. Bibliography: p. 50-53. Bauxite. Libbey, Fay Wilmott, 1882- joint author. Oregon. Department of Geology and Mineral Industries. Bulletin no. 46. 29080 29080