Cassil, R. John 1-A
Plugged Oil well
| API number | 12-101-28234 |
|---|---|
| Operator | Mason Oil Company |
| County | Lawrence, Illinois |
| Permitted | 1979-03-13 |
| Completed | 1979-05-29 |
| Depth | 2,020 ft |
| Surface location | 38.740880, -87.807019 · 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.