Schlafly 1
Plugged Dry hole well
| API number | 12-027-00557-0100 |
|---|---|
| Operator | Hughes Petrol Co |
| County | Clinton, Illinois |
| Permitted | 1940-09-27 |
| Completed | 1941-01-07 |
| Depth | 4,120 ft |
| Surface location | 38.643983, -89.411164 · 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.