00958cam a22002651 4500 gs 30000057 DLC 20260227111334.0 760213s1930 azua s001 0 eng gs 30000057 (OCoLC)1990373 DLC AzFU OCoLC DLC premarc TN490.M3 W5 MN 1.3:B 85/127 azdocs Wilson, Eldred Dewey, 1898-1965. Manganese ore deposits in Arizona, by Eldred D. Wilson and G. M. Butler. Tucson, Published by the University of Arizona, 1930. 104 p. illus.,tables. 23 cm. Arizona. State bureau of mines. Bulletin no.127 At head of title: University of Arizona bulletin. Manganese ores Arizona. Butler, G. M. (Gurdon Montague), 1881- University of Arizona. State Bureau of Mines. Mineral technology series ; no.32. 26776 26776