Editore: United States Government Printing Office., 1965
Da: Eryops Books, Stephenville, TX, U.S.A.
Soft cover. Condizione: Good. ORIGINAL 1965 PUBLICATION; missing the rear cover and pocket (but the three large folded plates are present, loosely-inserted; COMPLETE for this publication); ex-library; spine reinforced w/ tape; light browning of leaves; o/w in good condition. Book.
Editore: GPO, Washington, D.C., 1965
Da: Hoffman Books, ABAA, IOBA, Columbus, OH, U.S.A.
Softcover. Condizione: Very Good. USGS 1965 Wrappers, very good condition (rubber stamp on cover). Complete with all maps and plates.