Publicado por United States Geological Survey., 1968
Librería: Eryops Books, Stephenville, TX, Estados Unidos de America
No Binding. Condición: Very Good. Large folded sheet consisting of geologic map superposed on topographic contours, a structure map, a cross-section, columnar section with description of units, discussion of geology, and references cited; in printed envelope; ex-corporate library; in very good condition. Map.