Field identification of minerals for Oregon prospectors and collectors.
By: Compiled by Ray C. Treasher, field geologist, in collaboration with Department staff ...
Series: Oregon. Dept. of Geology and Mineral Industries. Bulletin -- no. 16.
Published: 1940
Place of publication: [Portland, Ore.]
Language: eng
Number of pages: 128
Subjects: Mineralogy -- Oregon.; Mineralogy, Determinative.; Prospecting.
Notes: At head of title: State of Oregon. Department of Geology and Mineral Industries ...

Photoprinted.

Bibliography: p. 126-128.

Lib. has 2 copies.