USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Pennington County, South Dakota

Hydrologic Unit Code 10120110

Latitude 44°03'31", Longitude 103°17'56" NAD27

**Period of record**
Begin Date	End Date	Count
1987-07-16	1992-01-27	24

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U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for USA: Streamflow Measurements
URL: https://waterdata.usgs.gov/nwis/measurements?

Page Contact Information: South Dakota Water Data Support Team
Page Last Modified: 2025-09-10 00:39:34 EDT
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