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#1 Federal
Electrical resistivity tomography (ERT) data collected March 14–18, 2022 and November 17–21, 2025, north of Sioux Falls, South Dakota
- Organization: Department of the Interior
- Dataset Last Updated: May 12, 2026 at 12:00 AM
The U.S. Geological Survey, in cooperation with the City of Sioux Falls, South Dakota, performed electrical resistivity tomography (ERT) surveys March 14–18, 2022 and November 17–21, 2025. In...
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