Author: | Harner, L. S. |
---|---|
Year: | 1933 |
Document Type: | USBI |
Issuing Agency: | U.S. Dept. of Commerce, Bureau of Mines, |
SUDOC: | C 22.11:6739 |
Series: | Information circular / Bureau of Mines ; |
Report Number: | 6739 |
Subjects: | Mining engineering--Colorado--Colorado Springs |
Mines and mineral resources--Colorado--Colorado Springs | |
Mineral industries--Colorado--Colorado Springs | |
Mines and mineral resources--Colorado--El Paso County | |
Link: | https://hdl.handle.net/2027/mdp.39015095086180 |