| Author: | Hardwick, W. R. |
|---|---|
| Year: | 1959 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:7890 |
| Series: | Information circular / U. S. Dept. of the Interior, Bureau of MInes ; |
| Report Number: | 7890 |
| Subjects: | Block theory (Rock mechanics) |
| Copper mines and mining--Arizona--Yavapai County | |
| Link: | https://hdl.handle.net/2027/mdp.39015078454512 |