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Koelling 1
Status not reported Oil well
| API number | 12-189-00676 |
|---|---|
| Operator | March Drilling Co. |
| County | Washington, Illinois |
| Permitted | 1956-01-23 |
| Completed | 1956-07-01 |
| Depth | 3,175 ft |
| Surface location | 38.416071, -89.171883 · 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.