1940 directory of Montana mining properties
By: compiled by Work Projects Administration, Mineral Resources Survey in cooperation with the Mining Association of Montana
Series: Supplement to Memoir no. 20 / State of Montana, Bureau of Mines and Geology; Memoir (Montana Bureau of Mines and Geology) -- no. 20, suppl.
Publisher: Montana School of Mines
Published: 1942
Place of publication: Butte, Mont
Language: eng
Number of pages: 34
Subjects: Mineral industries; Directories
Notes: Includes index.