Friend, R. 1
Permitted Unknown well
| API number | 12-125-21258 |
|---|---|
| Operator | Shelter Oil Co. |
| County | Mason, Illinois |
| Permitted | 1984-05-21 |
| Surface location | 40.104425, -90.161500 · 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.