| Author: | Coe, G. D. |
|---|---|
| Additional Authors: | Coghill, Will H. |
| Year: | 1944 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:3769 |
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 3769 |
| Subject: | Coal--Testing |
| Links: | https://hdl.handle.net/2027/mdp.39015078487314 |
| https://hdl.handle.net/2027/mdp.39015078496877 |