USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

12436500 COLUMBIA RIVER AT GRAND COULEE, WA

Okanogan County, Washington

Hydrologic Unit Code 17020005

Latitude 47°57'56", Longitude 118°58'54" NAD27

Drainage area 74,700 square miles

Gage datum 900.00 feet above NGVD29

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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: Washington Water Data Support Team
Page Last Modified: 2024-05-27 02:16:04 EDT
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