| Author: | Colby, Donald S. | 
|---|---|
| Additional Authors: | Seeley, E. M. | 
| Year: | 1950 | 
| Document Type: | USBI | 
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, | 
| SUDOC: | I 28.27:7576 | 
| Series: | Information circular / United States Department of the Interior, Bureau of Mines ; | 
| Report Number: | 7576 | 
| Subject: | Gas industry--United States--Statistics | 
| Link: | https://hdl.handle.net/2027/mdp.39015078455469 |