| Author: | Johnson, Edward Eugene, | 
|---|---|
| Year: | 1965 | 
| Document Type: | USBI | 
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines ; | 
| SUDOC: | I 28.27:8275 | 
| Series: | Information circular / Bureau of Mines ; | 
| Report Number: | 8275 | 
| Subjects: | Mineral industries--United States--Statistics | 
| Index numbers (Economics) | |
| Link: | https://hdl.handle.net/2027/mdp.39015078464479 |