Publicado por U. S. Geological Survey., 1968
Librería: Eryops Books, Stephenville, TX, Estados Unidos de America
Mapa
No Binding. Condición: Very Good. Large folded sheet in printed envelope; ex-corporate library; includes a geologic map superposed on topographic contours, a columnar section with description of units, a table summarizing collections of Paleozoic and Mesozoic invertebrate fossils, a table summarizing potassium-argon age determinations, a map showing location of traverses, and references cited; in very good condition. Map/Print.