Mines in Mercer County, Ohio
6Total
2Active
| Mine | Commodity | Type | Status | Source |
|---|---|---|---|---|
| John W. Karch Quarry | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Rockford Stone Quarry | Stone, Crushed/Broken | Surface | Producer | MRDS |
| Celina Quarry | Crushed, Broken Limestone NEC | Surface | Intermittent | MSHA |
| John W. Karch Quarry | Limestone, General | Past Producer | MRDS | |
| Rockford Stone Quarry | Limestone, General | Past Producer | MRDS | |
| Walls Materials Plant 1 | Crushed, Broken Limestone NEC | Surface | Abandoned | MSHA |