| Author: | Thomas, Paul R. |
|---|---|
| Additional Authors: | Quinn, Melinda M., Davidoff, Robert L. |
| Year: | 1982 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27: |
| Series: | Information circular ; |
| Report Number: | 8874 |
| Subjects: | Depletion allowances--United States--Case studies |
| Copper industry and trade--Government policy--United States | |
| Link: | https://hdl.handle.net/2027/mdp.39015078462234 |