| Lat / long: | 38.24835, -91.31793 |
| Primary: | Stone, Crushed/Broken |
| Other material: | Chalcopyrite, Chert, Hematite, Kaolinite, Limonite, Marcasite, Pyrite, Pyrolusite, Quartz, Sphalerite |
| Operation type: | Surface |
| Development status: | Producer |
| First production started: | 1875 |
| MAS | 290710014 |
| DEP | 10268747 |
| Reference | OWN/OP: HARBISON WALKER REFRACTORIES |
| Reporter | Intermountain Field Operations Center (IFOC) |