Editore: The Texas Journal of Science., 1974
Da: Eryops Books, Stephenville, TX, U.S.A.
No Binding. Condizione: Very Good. ORIGINAL 1974 Article, disbound from journal; no covers; in very good condition. Journal.
Editore: The American Geophysical Union., 1979
Da: Eryops Books, Stephenville, TX, U.S.A.
No Binding. Condizione: Good. ORIGINAL articles, disbound from journal; no covers; small chips along gutter where disbound; o/w in good condition. Journal.
Editore: United States Geological Survey., 1988
Da: Eryops Books, Stephenville, TX, U.S.A.
No Binding. Condizione: Very Good. Large folded sheet consisting of geologic map superposed on topographic contours, an index map showing the Virginia Dale Ring Structure, correlation of map units, a columnar section with description of units, and references cited; in printed envelope; ex-corporate library; in very good condition. Map.