McMillan 1
Status not reported Oil well
| API number | 12-081-01774 |
|---|---|
| Operator | Yingling, Samuel C. |
| County | Jefferson, Illinois |
| Permitted | 1941-08-13 |
| Completed | 1941-09-16 |
| Depth | 1,990 ft |
| Surface location | 38.304637, -89.052183 · 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.