Editore: Iowa Conservation Commission, Des Moines, 1977
Da: Parker's Rare Books, Ontario, WI, U.S.A.
Hardback. Red cloth, gilt lettering on front cover and spine, 4to, 147 pp. Illustrated with maps and photographs. Light soiling first few pages and rear endpapers, owner's name ffep, no marks in text. Covers clean and binding tight. Book condition VG. Binding: HB.