Author: | Guiteras, Joseph R. |
---|---|
Year: | 1937 |
Document Type: | USBI |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I28.27:6976 |
Series: | Information circular / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 6976 |
Subject: | Gold mines and mining--Colorado--Boulder County |
Link: | https://hdl.handle.net/2027/mdp.39015077569922 |