Northern Illinois Area Fireclay
UnknownFire Clay (Refractory)USGS MRDS
Location
| State | Illinois |
| County | Grundy |
| Coordinates | 41.45946, -88.32198 |
Commodities
| Primary | Fire Clay (Refractory) |
Mine Details
| Status | Unknown |
| Discovery Year | 1844 |
| Data Source | USGS MRDS |
| Source ID | 10082944 |