Editore: State of Oregon Department of Geology and Mineral Industries, Salem, OR, 1979
Da: Book Happy Booksellers, Portland, OR, U.S.A.
Membro dell'associazione: CBA
Softcover. Condizione: Very Good. 8-1/2 x 11 Softcover; 79pp; Covers clean & bright, text unmarked, binding is tight, VG condition. Scarce, vintage report on the geology and geologic hazards of Northwestern Clackamas County in Oregon. Illustrated with maps, diagrams & photos.