| Author: | Swigart, T. E. |
|---|---|
| Year: | 1923 |
| Document Type: | N/A |
| Issuing Agency: | United States. Bureau of Mines. |
| SUDOC: | I 28.3:232 |
| Series: | United States Bureau of Mines Reports |
| Report Number: | Bulletin 232 |
| Subjects: | Natural gas. |
| Petroleum. | |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc12416/ |