Editore: Geological Survey, United States Department of the Interior, Washington D.C., 1956
Da: Stephen Peterson, Bookseller, Eden Prairie, MN, U.S.A.
Trade Paperback. Condizione: Good. Good-plus, ex-library book with library stamp on reverse of front wrap and title page, soft crease in top corner of most pages in text block, and light soiling to beige wraps; text is unmarked, and two maps are intact and present in rear pocket.