Tonn-Jansen 1
Plugged Dry hole well
| API number | 12-049-01495 |
|---|---|
| Operator | Dunnill, John F. |
| County | Effingham, Illinois |
| Permitted | 1969-12-29 |
| Completed | 1970-01-03 |
| Depth | 2,466 ft |
| Surface location | 38.967100, -88.664533 · 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.