Published by United States Geological Survey., 1954
Seller: Eryops Books, Stephenville, TX, U.S.A.
No Binding. Condition: Good. Large folded sheet (with a geologic map, ten cross-sections, correlated graphic sections, a discussion of geology/economic geology, and references cited); ex-corporate library; light creasing of corners, o/w in good condition. Map.
Published by New Mexico School Of Mines, SOCCORO, NM, 1947
Seller: Black Canyon Books, Olathe, CO, U.S.A.
softcover. Condition: good. 8vo , Ex-Lib.