01013cam a22002891 4500 gs 23000111 DLC 20260227111327.0 760223s1922 azua s001 0 eng gs 23000111 (OCoLC)2007321 DLC AzFU OCoLC DLC premarc TN423.A75 A6 622.3421 MN 1.3:B 85/118 azdocs Allen, Milton Arthur, 1890- Arizona gold placers, by M.A. Allen. Tucson, Ariz., Published by the University of Arizona, Arizona Bureau of Mines, 1922. 24 p. map, fold. tab. 23 cm. University of Arizona. State Bureau of Mines. Bulletin, no. 118 Economic series, no. 18 At head of title: University of Arizona bulletin. Bibliography: p.23-24. Gold mines and mining Arizona. University of Arizona. State Bureau of Mines. Economic series ; no. 18. 26223 26223