| Author: | Brady, B. T. | 
|---|---|
| Additional Authors: | Duvall, Wilbur I. | 
| Year: | 1973 | 
| Document Type: | BMRA | 
| Issuing Agency: | U.S. Dept. of Interior, Bureau of Mines, | 
| SUDOC: | I 28.23:7755 | 
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; | 
| Report Number: | 7755 | 
| Subjects: | Mining engineering | 
| Rock mechanics | |
| Link: | https://hdl.handle.net/2027/mdp.39015078521419 |