Editore: United States Geological Survey., 1951
Da: Eryops Books, Stephenville, TX, U.S.A.
Mappa
No Binding. Condizione: Very Good. Two (2) large folded sheets that include a geologic map, a columnar section, correlated graphic sections, 7 cross-sections, a description of geology and economic geology, and references cited; ex-corporate library; light creasing of sheets, o/w in very good condition. Map.