01537cam a22003491 4500 gs 43000033 DLC 20260227111349.0 780708s1942 dcuabf b f000 0 eng gs 43000033 (OCoLC)4032396 DLC OClU OCoLC DLC premarc QE75 .P9 no. 200 TN24.N6 L6 Copy 2. (557.3) 553.1 Loughlin, G. F. (Gerald Francis), 1880-1946. Geology and ore deposits of the Magdalena mining district, New Mexico, by G. F. Loughlin and A. H. Koschmann. Washington, U.S. Govt. Print. Off., 1942. vii, 168 p. illus., 38 pl. (incl. maps, part fold.) fold. tab. 29 cm. Geological Survey (U.S.) Professional paper, 200. At head of title: U. S. Dept. of the Interior, Harold L. Ickes, secretary. Geological Survey, W. C. Mendenhall, director. Five folded plates in pocket. "Prepared in cooperation with the State Bureau of Mines and Mineral Resources, New Mexico School of Mines." Bibliographical footnotes. Geology New Mexico Socorro County. Ore deposits New Mexico Socorro County. Mines and mineral resources New Mexico Socorro County. Koschmann, Albert Herbert, 1896-1962, joint author. New Mexico. Bureau of Mines and Mineral Resources. Magdalena mining district, New Mexico. 27885 27885