00903cam a22002771i 4500 gs 47000061 DLC 20260227111352.0 780406s1946 dcubdf b f000 0 eng gs 47000061 (OCoLC)3784710 DLC OClU OCoLC DLC n-us-az QE75 .P9 no. 209 QE86.A9 G48 557.91 Gilluly, James, 1896-1980. The Ajo mining district, Arizona. Washington : U.S. Govt. Print. Off., 1946. vii, 112 p. : plates, maps, diagrs. ; 29 cm. Geological Survey (U.S.). Professional paper ; 209 Part of the illustrative matter is folded; part in pocket. Bibliographical footnotes. Geology Arizona Pima County Mines and mineral resources Arizona Pima County 28134 28134