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Lario 1-21 Federal
Plugged Dry hole well
| API number | 40-019-20030 |
|---|---|
| Permit number | 943 |
| Operator | Lario Oil and Gas Co. |
| County | Butte, South Dakota |
| Permitted | 1979-10-29 |
| Spudded | 1980-08-07 |
| Completed | 1980-08-09 |
| Plugged | 1983-11-02 |
| Depth | 1,150 ft |
| Surface location | 45.160563, -103.642025 · 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.