Clark 7
Status not reported Oil well
| API number | 12-109-21698 |
|---|---|
| Operator | Snowden Bros. & Co |
| County | McDonough, Illinois |
| Completed | 1914-09-09 |
| Depth | 489 ft |
| Surface location | 40.331278, -90.856369 · 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.