MT. ST. HELENS; The Volcano Explodes!
Northwest Illustrated, 1980. Paperback. 8 1/2 x 11, 120 pgs, b&w and color photos and illustrations, glossary of geological terms. A chronicle of the eruption of Mt. St. Helens. More
Northwest Illustrated, 1980. Paperback. 8 1/2 x 11, 120 pgs, b&w and color photos and illustrations, glossary of geological terms. A chronicle of the eruption of Mt. St. Helens. More