Holland-Willis Unit 1
Status not reported Oil well
| API number | 12-059-01100 |
|---|---|
| Operator | Calvert Drilling, Inc. |
| County | Gallatin, Illinois |
| Permitted | 1953-03-30 |
| Completed | 1953-05-01 |
| Depth | 2,678 ft |
| Surface location | 37.892881, -88.217808 · 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.