| Author: | Williams, Frank E. |
|---|---|
| Year: | 1967 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Bureau of Mines, |
| SUDOC: | I 28.27:8318 |
| Series: | Information circular / United States. Bureau of Mines ; |
| Report Number: | 8318 |
| Subject: | Aggregates (Building materials)--Arizona--Tucson |
| Link: | https://hdl.handle.net/2027/mdp.39015078514406 |