01234cam a22003011 4500 gs 66000189 DLC 20260227111419.0 780123s1965 dcuab b f000 0 eng gs 66000189 (OCoLC)3574554 DLC OClU OCoLC ISS OCoLC DLC QE75 .P9 no. 487 QE92.S3 S82 I 19.16:487/ Steven, Thomas August, 1917- Geology and structural control of ore deposition in the Creede district, San Juan Mountains, Colorado, by Thomas A. Steven and James C. Ratté. Washington, U.S. Govt. Print. Off., 1965. 90 p. illus., maps, and portfolio (7 fold. maps (1 col.)) 29 cm. Geological Survey (U.S.). Professional paper, 487 Prepared in cooperation with the Colorado State Metal Mining Fund Board. Bibliography: p. 86-87. Geology San Juan Mountains (Colo. and N.M.) Geology, Structural Ore deposits San Juan Mountains (Colo. and N.M.) Ratté, James Clifford, 1925- Control of ore deposition in the Creede district, San Juan Mountains, Colorado. 30214 30214