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Koelling, H. C. 4
Permitted Unknown well
| API number | 12-189-23708 |
|---|---|
| Operator | Thompson, George A. |
| County | Washington, Illinois |
| Permitted | 1981-04-07 |
| Surface location | 38.362540, -89.181187 · 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.