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Mills Bertha 1
Plugged Dry hole well
| API number | 12-189-00339 |
|---|---|
| Operator | Shell Oil Company |
| County | Washington, Illinois |
| Completed | 1942-04-01 |
| Depth | 1,768 ft |
| Surface location | 38.303113, -89.254074 · 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.