| Author: | Bowles, Oliver, |
|---|---|
| Year: | 1930 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of Commerce, Bureau of Mines, |
| SUDOC: | C 22.11:6268 |
| Series: | Information circular / United States Department of Commerce, Bureau of Mines ; |
| Report Number: | 6268 |
| Subject: | Granite |
| Link: | https://hdl.handle.net/2027/mdp.39015074126809 |