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Madison Coal Corp. G-1
Status not reported Gas well
| API number | 12-199-02285 |
|---|---|
| Operator | Central Illinois Public Service |
| County | Williamson, Illinois |
| Permitted | 1965-02-19 |
| Completed | 1965-03-20 |
| Depth | 2,075 ft |
| Surface location | 37.828461, -88.869447 · 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.