Tungsten deposits of Boulder County, Colorado
By: by T. S. Lovering ; prepared in cooperation with the Colorado Metal Mining Fund and the Colorado Geological Survey Board.
Contributors: Colorado State Metal Mining Fund.; Colorado Geological Survey.
Series: Geological Survey bulletin -- 922-F; Strategic minerals investigations
Publisher: U.S. Govt. Print. Off.
Published: 1940
Place of publication: Washington
Language: eng
Number of pages: 156
Subjects: Tungsten ores -- Colorado -- Boulder County.; Geology -- Colorado -- Boulder County.; Veins (Geology) -- Colorado -- Boulder County.; Ore deposits -- Colorado -- Boulder County.; Mineralogy -- Colorado -- Boulder County.; Prospecting -- Colorado -- Boulder County.; Tungsten mines and mining -- Colorado -- Boulder County.
Notes: Maps on two folded plates in pocket (plates 24 and 25).

Includes bibliographical references and index.