01050cam a22002771 4500 gs 11000590 DLC 20260227111312.0 760210s1911 dcu f000 0 eng gs 11000590 (OCoLC)1982156 DLC IDeKN OCoLC DLC TN24.C6 I7 no. 478 Irving, J. D. (John Duer), 1874-1918. Geology and ore deposits near Lake City, Colorado, by John Duer Irving and Howland Bancroft. Washington, Govt. print. off., 1911. 128 p. illus., VIII pl. (part fold., incl. maps, plans) fold. tab., diagrs. 23 1/2 cm. U.S. Geological survey. Bulletin 478 At head of title: Department of the Interior. "Geology, by Whitman Cross": p. 18-32. Bibliography: p. 122-123. Geology Colorado Lake City quadrangle. Mines and mineral resources Colorado. Bancroft, Howland, 1883- Cross, Whitman, 1854-1949. 25088 25088