| Author: | Key, Wallace W. |
|---|---|
| Year: | 1966 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:8300 |
| Series: | Information circular / United States. Bureau of Mines ; |
| Report Number: | 8300 |
| Subjects: | Asphalt industry |
| Asphalt--California | |
| Link: | https://hdl.handle.net/2027/mdp.39015078514349 |