USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Lyman County, South Dakota

Hydrologic Unit Code 10140204

Latitude 43°44'54", Longitude 99°33'22" NAD27

Drainage area 9,915 square miles

Contributing drainage area 9,855 square miles

Gage datum 1,378.4 feet above NAVD88

**Period of record**
Begin Date	End Date	Count
1950-12-18	2024-10-08	1277

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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: 2024-11-22 19:24:19 EST
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