01144cam a22002891 4500 gs 21000157 DLC 20260227111325.0 760218s1920 azua s000 0 eng gs 21000157 (OCoLC)1999234 DLC AzFU OCoLC DLC premarc QE85 .J4 MN 1.3:B 85/106 azdocs Jenkins, Olaf Pitt, 1889- A geological reconnaissance of the Tucson and Amole mountains by Olaf P. Jenkins and Eldred D. Wilson, with notes on the southern section of the Amole mining district, by Milton A. Allen. Tucson, Ariz., Arizona bureau of mines, 1920. 25 p. illus., 23 cm. University of Arizona. State Bureau of Mines. Bulletin, no. 106 Geological series, no. 2 At head of title: University of Arizona bulletin. Geology Arizona. Wilson, Eldred Dewey, 1898-1965, joint author. Allen, Milton Arthur, 1890- University of Arizona. State Bureau of Mines. Geological series ; no. 2. 26083 26083