Unnamed well MD-20
Plugged Other well
| API number | 12-071-00257 |
|---|---|
| Operator | Northern Illinois Gas Co. |
| County | Henderson, Illinois |
| Permitted | 1971-09-20 |
| Completed | 1971-09-26 |
| Depth | 475 ft |
| Surface location | 40.752729, -90.878405 · 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.