| Lat / long: | 42.8906, -91.12704 |
| Primary: | Silica |
| Operation type: | Underground |
| Development status: | Producer |
| MAS | 190430001 |
| DEP | 10242633 |
| Reference | {Deposit:: USBM PROD TAB 1973 OWN/OP: MARTIN MARIETTA CO}{Deposit:: CONCRETE MATERIALS DIVISION} |
| Reporter | Intermountain Field Operations Center (IFOC) |