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Filtering by: Creator Kays, Marvin Allan, 1934 Date issued sim 1970-05

The Ore bin ; Vol. 32 No. 5 (May 1970)

Creator:

Oregon. Dept. of Geology and Mineral Industries and Kays, Marvin Allan, 1934-

Abstract:

This report summarizes results of geologic mapping in the South Umpqua Falls region of the Western Cascade Range in Douglas County, southwestern Oregon (plate 1). Rocks of the Western Cascades range in age from late Eocene to late Miocene and consist of deformed and partially altered flows, pyroclastic rocks, and...

Resource Type:

Journal