Pacific Northwest mineral occurrences.
Subtitle: [The Bonneville project.
Published: 1940
Place of publication: Washington?
Language: eng
Number of pages: 41
Subjects: Mines and mineral resources -- Northwest, Pacific; Ore deposits -- Northwest, Pacific
Notes: Cover title.

On each map: U. S.  Department of the interior.  The Bonneville project.  Market development section.

Consists of forty one maps each illustrating the occurrence of a single mineral.

Prepared in cooperation with the following agencies: State Dept. of Geology and Mineral Industries, Portland, Oregon; Dept. of Consevation and Development, Division of Mines and Mining, Olympia, Washington; Idaho Bureau of Mines and Geology; Montana School of Mines.