Published by Wash D.C.: United States Government Printing Office, 1954, 1954
8vo.stiff wraps, softcover; 68 pages and six large folded plates in rear pocket; a very good, clean, tight unmarked copy.
Published by GPO, Washington, D.C., 1964
Seller: Hoffman Books, ABAA, IOBA, Columbus, OH, U.S.A.
Softcover. Condition: Very Good. USGS 1964. Wrappers, very good condition. Complete with all maps and plates.