00908cam a22002531 4500 gs 56000192 DLC 20260227111404.0 780731s1956 nmua 000 0 eng gs 56000192 (OCoLC)4098269 DLC TxEU OCoLC DLC premarc TN24.N6 A235 no. 41 Allen, John Eliot, 1908- The making of a mine. Socorro, State Bureau of Mines and Mineral Resources, New Mexico Institute of Mining and Technology, 1956. 7 p. illus. 29 cm. New Mexico. Bureau of Mines and Mineral Resources. Circular 41 "Recommended reading": p. 7. Bound with Lexicon of New Mexico geologic names: part 1, precambrian and lower paleozoic, by Henry L. Jicha, Jr. Includes bibliography. Mining engineering. 29078 29078