Browsing Natural Resources by Author "Kays, Marvin Allan, 1934-"

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The Ore bin ; Vol. 26 No. 3 (March 1964)

Oregon. Dept. of Geology and Mineral Industries; Rinehart, Wilbur; Bowen, Richard G.; Chiburis, E. F.; Kays, Marvin Allan, 1934-; Bruemmer, Jerry Lee, 1936- (Oregon Department of Geology and Mineral Industries, 1964-03)
The Ore bin ; Vol. 32 No. 5 (May 1970)

Oregon. Dept. of Geology and Mineral Industries; Kays, Marvin Allan, 1934- (Oregon Department of Geology and Mineral Industries, 1970-05)

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 Eoce ...