| Author: | Tyler, Paul M. |
|---|---|
| Year: | 1934 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Bureau of Mines, |
| SUDOC: | I 28.27:6782 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 6782 |
| Subjects: | Greensand |
| Fertilizers | |
| Link: | https://hdl.handle.net/2027/mdp.39015074128227 |