Editore: United States Geological Survey., 1961
Da: Eryops Books, Stephenville, TX, U.S.A.
No Binding. Condizione: Very Good. Large folded sheet that includes a geologic map superposed on topographic contours and with structure contours, two cross-sections, and a columnar section with description of units; in printed envelope; ex-corporate library; in very good condition. Map.
Editore: United States Geological Survey., 1959
Da: Eryops Books, Stephenville, TX, U.S.A.
No Binding. Condizione: Very Good. Large folded sheet in printed envelope; includes geologic map superposed on topographic contours and with structure contours, two cross-sections, and a columnar section with description of units; ex-corporate library; in very good condition. Map.
Editore: U S Geological Survey, Washington, 1960
Da: Arroyo Seco Books, Pasadena, Member IOBA, Pasadena, CA, U.S.A.
Membro dell'associazione: IOBA
Prima edizione
Soft cover. Condizione: Near Fine. Maps (illustratore). 1st Edition. Pp 423-492 Of "Contributions To Economic Geology", Here First Published Separately, With Index At Front And Maps In Pocket At Rear. Barest Trace Of Rubbing.