Markwell 26
Status not reported Oil well
| API number | 12-023-25697-0100 |
|---|---|
| Operator | Dillier & Knierim Co., Inc. |
| County | Clark, Illinois |
| Permitted | 1991-07-09 |
| Completed | 1991-07-23 |
| Depth | 340 ft |
| Surface location | 39.435076, -87.975685 · 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.