JEFFERSON O&G 77X-9
Plugged Dry hole well
| API number | 12-081-23798 |
|---|---|
| Operator | Black Hawk Resources Corporation |
| County | Jefferson, Illinois |
| Permitted | 1981-11-20 |
| Completed | 1981-12-20 |
| Depth | 4,550 ft |
| Surface location | 38.185337, -88.988434 · 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.