| Author: | Obert, Leonard, |
|---|---|
| Year: | 1963 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:6332 |
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 6332 |
| Subjects: | Rocks--Testing--Equipment and supplies |
| Rock pressure | |
| Rock mechanics--Measurement--Equipment and supplies | |
| Link: | https://hdl.handle.net/2027/mdp.39015077556499 |