Schroeder-Altoff 1
Plugged Dry hole well
| API number | 12-133-21192 |
|---|---|
| Operator | Southern IL Exploration Company |
| County | Monroe, Illinois |
| Permitted | 1981-04-24 |
| Completed | 1981-05-11 |
| Depth | 500 ft |
| Surface location | 38.358529, -90.171948 · 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.