Editore: Salem: Oregon Division of State Lands, 1994., 1994
Da: Truman Price & Suzanne Price / oldchildrensbooks, Monmouth, OR, U.S.A.
Prima edizione
Fine: As new. Paperback, 8.5x11 in., 122 pp. not paginated, approx 80 pp. About half the book is single-page outline reference maps of Oregon showing various items: hydrologic units, status of winter steelhead, endangered plants, etc.