| Author: | Burrell, George A. |
|---|---|
| Year: | 1913 |
| Document Type: | N/A |
| Issuing Agency: | United States. Bureau of Mines. |
| SUDOC: | I 28.3:42 |
| Series: | United States Bureau of Mines Reports |
| Report Number: | Bulletin 42 |
| Subjects: | Natural gas. |
| Mine gases. | |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc12258/ |