| Author: | McElroy, G. E. | 
|---|---|
| Year: | 1921 | 
| Document Type: | BMRA | 
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, | 
| SUDOC: | I 28.23:2282 | 
| Series: | Report of investigations / United States. Bureau of Mines ; | 
| Report Number: | 2282 | 
| Subjects: | Mines and mineral resources | 
| Mine gases | |
| Nitrogen as a test gas | |
| Mines and mineral resources--Utah--East Tintic Mountains | |
| Link: | https://hdl.handle.net/2027/mdp.39015086555037 |