| Author: | Crentz, William L. | 
|---|---|
| Year: | 1957 | 
| Document Type: | BMRA | 
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, | 
| SUDOC: | I 28.23:5335 | 
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; | 
| Report Number: | 5335 | 
| Subjects: | Coal--Analysis | 
| Coal--New Mexico--San Juan County | |
| Links: | https://hdl.handle.net/2027/mdp.39015078541623 | 
| no.5331-5350 1957 |