| Author: | Downey, M. G. |
|---|---|
| Year: | 1941 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:7187 |
| Series: | Information Circular / Bureau of Mines ; |
| Report Number: | 7187 |
| Subjects: | Quarries and quarrying--United States |
| Building stones--United States | |
| Stone industry and trade--United States | |
| Link: | https://hdl.handle.net/2027/mdp.39015078535765 |