Published by United States Geological Survey., 1962
Seller: Eryops Books, Stephenville, TX, U.S.A.
No Binding. Condition: Very Good. Large folded sheet with radiation intensity map superposed on a geologic map, a cross-section, stratigraphic column and description of units, discussion of geology and the radioactive survey, and references cited; ex-corporate library; in very good condition. Map.