Ore deposits in the vicinity of the London fault of Colorado
By: by Quentin D. Singewald and B. S. Butler.
Contributors: Butler, B. S. b. 1877, joint author.
Series: U.S. Geological survey. Bulletin 911
Publisher: U.S. Govt. Print. Off.
Published: 1941
Place of publication: Washington
Language: eng
Number of pages: 74
Subjects: Ore deposits -- Colorado.; Geology -- Colorado.
Notes: Bibliographical footnotes.
At head of title: United States Dept. of the Interior, Harold L. Ickes, secretary. Geological survey, W. C. Mendenhall, director.
Eight folded plates in pocket.
Prepared in cooperation with the state of Colorado and the Colorado metal mining fund.