Markert KM4-A
Plugged Unknown well
| API number | 12-009-20809 |
|---|---|
| Operator | Missouri Energy Dev. |
| County | Brown, Illinois |
| Permitted | 1982-09-29 |
| Completed | 1982-09-30 |
| Depth | 600 ft |
| Surface location | 39.948266, -90.803692 · 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.