| Author: | Hoskins, John R. | 
|---|---|
| Additional Authors: | Horino, Frank G. | 
| Year: | 1969 | 
| Document Type: | BMRA | 
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, | 
| SUDOC: | I 28.23:7234 | 
| Series: | Report of investigations / Bureau of Mines ; | 
| Report Number: | 7234 | 
| Subjects: | Rocks--Testing | 
| Rocks | |
| Link: | https://hdl.handle.net/2027/mdp.39015078538157 |