USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

Harper County, Oklahoma

Hydrologic Unit Code 11040008

Latitude 36°58'38", Longitude 99°58'32" NAD27

Drainage area 10,096 square miles

Contributing drainage area 5,283 square miles

Gage datum 1,965.62 feet above NGVD29

**Period of record**
Begin Date	End Date	Count
1982-02-10	2023-01-26	54

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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: Oklahoma Water Data Support Team
Page Last Modified: 2024-11-23 00:01:08 EST
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