Editore: United States Government Printing Office., 1970
Da: Eryops Books, Stephenville, TX, U.S.A.
No Binding. Condizione: Good. ORIGINAL 1970 PUBLICATION; missing covers and the rear pocket but the 3 large folded plates are present (complete for this publication); ex-library; in good condition. Book.
Editore: GPO, Washington, D.C., 1970
Da: Hoffman Books, ABAA, IOBA, Columbus, OH, U.S.A.
Softcover. Condizione: Very Good. USGS 1970. Wrappers, very good condition (rubber stamp on cover) Complete with all maps and plates.