USGS Surface Water for USA: Streamflow Measurements

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Streamflow Measurements for the Nation

664036144352800 BLACK R NR MOUTH NR FORT YUKON AK

Yukon-Koyukuk Census Area County, Alaska

Hydrologic Unit Code 19080106

Latitude 66°40'36", Longitude 144°35'28" NAD27

Gage datum 425 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: Alaska Water Data Support Team
Page Last Modified: 2025-11-23 21:31:34 EST
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