The economic geological resources of Oregon, 1912.
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.
gs 12000784
Mines and mineral resources--Oregon.
Geology, Economic.
S105 / .E45 vol. 5, no. 2
At head of title:...Oregon state bureau of mines, Henry M. Parks, director.
gs 12000784
Mines and mineral resources--Oregon.
Geology, Economic.
S105 / .E45 vol. 5, no. 2