01415cam a22003251 4500 gs 38000114 DLC 20260227111343.0 760218s1938 azuabf s000 0 eng gs 38000114 (OCoLC)2000436 DLC AzFU OCoLC DLC QE86.T6 B8 MN 1.3:B 85/143 azdocs Butler, B. S. (Bert Sylvenus), 1877-1960. Geology and ore deposits of the Tombstone district, Arizona, by B. S. Butler, E. D. Wilson and C. A. Rasor. Prepared under a co-operative agreement between the Arizona Bureau of Mines and the United States Geological survey. Tucson, Ariz., University of Arizona [1938] 114 p illus., portfolio of maps, plates 23 cm. University of Arizona. State Bureau of Mines. Bulletin, no. 143 Geological series, no. 10 University of Arizona bulletin, v. 9, no. 1, January, l938. Bibliographical footnotes. Geology Arizona Tombstone district. Ore deposits Arizona Tombstone district. Wilson, Eldred, 1898- Rasor, Charles Alfred, 1905- Geological Survey (U.S.) University of Arizona. State Bureau of Mines. Geological series ; no. 10. Bulletin (University of Arizona) ; v. 9, no. 1. 27433 27433