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Helms and Thompson 1 Coffing
Plugged Dry hole well
| API number | 40-033-05007 |
|---|---|
| Permit number | 200 |
| Operator | M. Helms and E. Thompson |
| County | Custer, South Dakota |
| Field | Barker Dome |
| Permitted | 1956-09-18 |
| Spudded | 1956-09-21 |
| Plugged | 1962-11-19 |
| Depth | 1,417 ft |
| Surface location | 43.487741, -103.872016 · wells within 1 mile |
| State record | South Dakota Department of Agriculture and Natural Resources, Geological Survey Program ↗ |
| Data as of | 2026-10-01 |
From South Dakota Department of Agriculture and Natural Resources, Geological Survey Program public records. Verify with the state before relying on this information.