01168cam a22003011 4500 gs 39000100 DLC 20260227111344.0 850306s1938 oruab b s000 0 eng c gs 39000100 (OCoLC)11770115 U.S. Geol. Survey. Library WaChenE WaChenE OCoLC DLC premarc n-us-or QE155 .A3 no. 11 Smith, Warren D. (Warren DuPré), 1880-1950. The geology and mineral resources of Lane County, Oregon, by Warren D. Smith ... in collaboration with Lloyd L. Ruff... Portland, Or., 1938. 65 p. illus., maps 28 cm. Bulletin ; no. 11 At head of title: State of Oregon. Department of Geology and Mineral Industries. Bibliography: p. 64-65. Geology Oregon Lane County. Mines and mineral resources Oregon Lane County. Ruff, Lloyd Llewellyn, 1905- Oregon. Department of Geology and Mineral Industries. Bulletin (Oregon. Department of Geology and Mineral Industries) ; no. 11. 27523 27523