00876cam a22002651 4500 gs 12000784 DLC 20260227111313.0 750624s1912 xx 000 0 eng gs 12000784 (OCoLC)1408099 DLC NhD DLC premarc S105 .E45 vol. 5, no. 2 Oregon Bureau of Mines and Geology The economic geological resources of Oregon, 1912. [Corvallis, Or.] 1912. 120p. illus. 23cm. Oregon. Agricultural college. College bulletin. Extension ser.5-no.2 At head of title:...Oregon state bureau of mines, Henry M. Parks, director. Mines and mineral resources Oregon. Geology, Economic. Oregon Bureau of Mines and Geology Parks, Henry M. 25193 25193