Key to Oregon mineral deposits map
By: by Ralph S. Mason.
Contributors: Oregon. Dept. of Geology and Mineral Industries.
Series: Miscellaneous paper / Oregon Dept. of Geology and Mineral Industries -- 2.; Miscellaneous paper (Oregon. Dept. of Geology and Mineral Industries) -- no. 2.
Publisher: State of Oregon, Dept. of Geology and Mineral Industries
Published: 1951
Place of publication: Portland, Or
Language: eng
Number of pages: 15
Subjects: Mines and mineral resources -- Oregon.
Other titles: Oregon mineral deposits map.