Castellari-Koelling 1
Status not reported Gas well
| API number | 12-121-01845 |
|---|---|
| Operator | Powell, Graham |
| County | Marion, Illinois |
| Completed | 1958-11-01 |
| Depth | 850 ft |
| Surface location | 38.511424, -89.108364 · 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.