Knolhoff, William 1
Plugged Oil well
| API number | 12-027-00456 |
|---|---|
| Operator | Thompson Drilling Company |
| County | Clinton, Illinois |
| Permitted | 1940-09-26 |
| Completed | 1940-10-01 |
| Depth | 1,200 ft |
| Surface location | 38.544155, -89.292263 · 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.