Core Hole 20
Status not reported Other well
| API number | 12-173-01661 |
|---|---|
| Operator | Carter Oil Co., The |
| County | Shelby, Illinois |
| Completed | 1941-03-01 |
| Depth | 450 ft |
| Surface location | 39.418991, -88.584252 · 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.