Editore: State Bureau of Mines and Mineral Resources/New Mexico Institute of Mining & Technology, Socorro, NM, 1961
Da: Robert Gavora, Fine & Rare Books, ABAA, Talent, OR, U.S.A.
Soft cover. Condizione: Fine. 57 pages with photographs, tables, references and index, plus the required eight large color folded maps in the rear pocket. Bound in original white card covers with lettering in brown. A fine and bright copy. Book.