| Author: | Bowles, Oliver, |
|---|---|
| Year: | 1921 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:2230 |
| Series: | Report of investigations / United States. Bureau of Mines ; |
| Report Number: | 2230 |
| Subjects: | Mine dusts |
| Asphalt | |
| Slate | |
| Asphalt materials | |
| Asphalt--Additives--Testing | |
| Asphalt--Additives | |
| Link: | https://hdl.handle.net/2027/mdp.39015086555326 |