00970cam a22002531 4500 gs 15000880 DLC 20260227111318.0 791115s1915 xx ab 000 0 eng c gs 15000880 (OCoLC)5696474 Library, U.S. Geological Survey OCl Or DLC premarc TN24.O7 A45 Y/M66.2M66/2 ordocs Oregon Bureau of Mines and Geology Minerals and mineral industries of Oregon; Oregon bureau of mines and geology. A list of the important minerals of Oregon and brief description of their occurrence and development. [Panama-Pacific ed.] [n.p.] 1915. 1 p. l., [5]-40 p. illus., fold. map. 24 cm. On cover: Panama-Pacific exposition, 1915. Mines and mineral resources Oregon. Panama-Pacific International Exposition (1915 : San Francisco, Calif.) 25601 25601