Mastis-Hart "B" 1
Status not reported Oil well
| API number | 12-121-05656 |
|---|---|
| Operator | Amoco Prod. Co. |
| County | Marion, Illinois |
| Permitted | 1973-03-19 |
| Completed | 1973-05-17 |
| Depth | 5,208 ft |
| Surface location | 38.654101, -88.895604 · wells within 1 mile |
| State record | Illinois State Geological Survey ↗ |
| Data as of | 2026-10-17 |
From Illinois State Geological Survey public records. Verify with the state before relying on this information.