Hartley 4
Status not reported Oil well
| API number | 12-081-01866 |
|---|---|
| Operator | Ervin & Bassett |
| County | Jefferson, Illinois |
| Permitted | 1951-11-02 |
| Completed | 1952-02-05 |
| Depth | 1,080 ft |
| Surface location | 38.417624, -89.142666 · 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.