Survey of non-metallic mineral production of Oregon for 1940
By: by C.P. Holdredge
Series: Oregon. State Dept. of Geology and Mineral Industries. GMI short paper -- no. 5; GMI short paper -- no. 5.
Published: 1941
Place of publication: [Portland, Or.]
Language: eng
Subjects: Mines and mineral resources
Other titles: Non-metallic mineral production of Oregon.
Notes: At head of title: State of Oregon. Dept. of Geology and Mineral Industries.