01180cam a22003011 4500 gs 65000170 DLC 20260227111416.0 780308s1964 dcua f000 0 eng c gs 65000170 (OCoLC)3697419 U. S. Geol. Survey. Libr. USlW ISS OCoLC DLC QE75 .P9 no. 416 QE86.C58 C6 I 19.16:416 Cooper, John R. (John Roberts), 1907- Geology and ore deposits of the Dragoon quadrangle, Cochise county, Arizona, by John R. Cooper and Leon T. Silver. Washington, U.S. Govt. Print. Off., 1964. vi, 196 p. illus. (part col.) maps (3 col.) 30 cm. Geological Survey (U.S.) Professional paper 416 Part of illustrative matter in pocket. Bibliography: p. 189-191. Geology Arizona Cochise County. Ore deposits Arizona Cochise County. Mines and mineral resources Arizona Cochise County. Silver, Leon T. (Leon Theodore), 1925- joint author Dragoon quadrangle, Cochise County, Arizona 30003 30003