| Author: | Aggson, James R. | 
|---|---|
| Year: | 1977 | 
| Document Type: | BMRA | 
| Issuing Agency: | Dept. of the Interior, Bureau of Mines, | 
| SUDOC: | I 28.23:8251 | 
| Series: | Report of investigations / Bureau of Mines ; | 
| Report Number: | 8251 | 
| Subjects: | Core drilling | 
| Rock mechanics--Research | |
| Rock pressure | |
| Link: | https://hdl.handle.net/2027/mdp.39015078483040 |