| Author: | Roepke, Wallace W. |
|---|---|
| Additional Authors: | Hanson, Bruce D., Longfellow, Carl E. |
| Year: | 1983 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:8802 |
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 8802 |
| Subjects: | Diamonds, Industrial |
| Drag bits (Drilling and boring)--Testing | |
| Link: | https://hdl.handle.net/2027/mdp.39015078477588 |