01008cam a2200265 4500 gs 68000281 DLC 20260227111423.0 691210s1969 dcuab b 00010 eng c gs 68000281 //r83 U.S. Geological Survey Library QE75 .B9 no. 1256 QE182.O7 Z4 Copy 2. 557.87/85 Zeller, H. D. (Howard Davis), 1922- Geology of the Oregon Buttes area, Sweetwater, Sublette and Fremont Counties, southwestern Wyoming, by H. D. Zeller and E. V. Stephens. Washington, U.S. Govt. Print. Off., 1969. iv, 60 p. illus., maps (part col.) 24 cm. Geological Survey bulletin ; 1256 Part of illustrative matter fold. in pocket. Bibliography: p. 55-58. Geology Wyoming Oregon Buttes region. Borings Wyoming Oregon Buttes region. Stephens, E. Vernon, 1932- joint author. 30498 30498