Editore: Ore Dept Geol & Min Ind, Portland, OR, 1951
Da: Larry W Price Books, Portland, OR, U.S.A.
Paperback. Condizione: Very Good. GMI Short Paper No 22, 24 pp., Illus, Orig White Paperback, 4to, 3-ring binder holes else VG.
Editore: State of Oregon, Portland, 1951
Da: Vashon Island Books, Vashon, WA, U.S.A.
Paperback. Condizione: Very Good. Fold Out Map (illustratore). Third Edition. State of Oregon Dept. of Geology and Minerals industries: GMI short paper No. 22; 4to; 26pp. Size: 4to - over 9¾" - 12" tall. Book.