USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Fall River County, South Dakota

Hydrologic Unit Code 10120109

Latitude 43°25'05", Longitude 103°17'16" NAD27

Drainage area 9,342 square miles

Contributing drainage area 9,337 square miles

**Period of record**
Begin Date	End Date	Count
1988-06-21	1988-06-21	1

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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: 2025-11-20 21:29:15 EST
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