01301cam a22003131 4500 gs 58000217 DLC 20260227111407.0 780515s1958 nmua 000 0 eng c gs 58000217 (OCoLC)3895426 U. S. Geological Survey. Library TxEU DLC premarc TN24.N6 A232 no. 56 557.89 Jicha, Henry Louis, 1928- Geology and mineral resources of Mesa del Oro quadrangle, Socorro and Valencia Counties, New Mexico. Socorro, State Bureau of Mines and Mineral Resources, New Mexico Institure of Mining & Technology, 1958. v. 67 p. illus., maps (1 col.) diagrs., tables, 23 cm. New Mexico. Bureau of Mines and Mineral Resources. Bulletin, 56 Part of illustrative matter fold. in pocket. Bibliography: p. 63-64. Geology New Mexico Socorro County. Geology New Mexico Valencia County. Mines and mineral resources New Mexico Socorro County. Mines and mineral resources New Mexico Valencia County. Mesa del Oro quadrangle. Bulletin (New Mexico. Bureau of Mines and Mineral Resources) ; 56. 29270 29270