| Additional Authors: | Dick, Richard A., Fogelson, David E., Olson, James J., Arlo D. Hendrickson. |
|---|---|
| Year: | 1972 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of Interior, Bureau of Mines, |
| SUDOC: | I 28.23:7653 |
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 7653 |
| Subjects: | Tunneling |
| Blast effect | |
| Granite industry--Cheyenne Mountain (Colo.) | |
| Link: | https://hdl.handle.net/2027/mdp.39015078520288 |