Published by United States Geological Survey., 1963
Seller: Eryops Books, Stephenville, TX, U.S.A.
Map
No Binding. Condition: Very Good. Large folded sheet in printed envelope; ex-corporate library; includes a geologic map superposed on topographic contours, a note on geology and paleontology, a columnar section with description of units, and references cited; in very good condition. Map.
Published by United States Geological Survey., 1970
Seller: Eryops Books, Stephenville, TX, U.S.A.
No Binding. Condition: Very Good. Large folded sheet consisting of a geologic map superposed on topographic contours, eight cross-sections, a columnar section with description of units, and a composite columnar section with description of geology and megafossils recovered; ex-corporate library; in very good condition. Map.