Product Type
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Published by United States Geological Survey., 1951
Seller: Eryops Books, Stephenville, TX, U.S.A.
No Binding. Condition: Very Good. Large folded sheet that includes a geologic map superposed on topographic contours, a columnar section, a correlation chart, two cross-sections, 2 tables summarizing the fossil fauna, a list and table of fossil plants, a discussion of geology and economic geology, and references cited; several check-marks on bibliography in pencil, o/w in very good condition. Map.