| Author: | Frost, E. M., Jr. |
|---|---|
| Year: | 1950 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:4715 |
| Series: | Report of investigations / United States. Bureau of Mines ; |
| Report Number: | 4715 |
| Subject: | Helium |
| Link: | https://hdl.handle.net/2027/mdp.39015078490813 |