| Author: | Munnerlyn, R. D. |
|---|---|
| Year: | 1963 |
| Document Type: | N/A |
| Issuing Agency: | United States. Bureau of Mines. |
| Series: | United States Bureau of Mines Reports |
| Report Number: | Bulletin 617 |
| Subjects: | Helium. |
| Natural gas -- United States. | |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc12769/ |