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  • Due to a lapse in government funding, the majority of USGS websites will not be updated except to provide important public safety information. Websites displaying real-time water data will be updated with limited support. For more information please see www.doi.gov/shutdown.
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Streamflow Measurements for Montana

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Questions or concerns about USGS data and data products in Montana and Wyoming can be directed to the Wyoming-Montana Water Science Center Data Management Section.



06040800 Madison River ab powerplant nr McAllister MT
Madison County, Montana
Hydrologic Unit Code 10020007
Latitude  45°29'11.74", Longitude 111°38'01.89" NAD83
Drainage area 2,212.7  square miles
Gage datum 4,690 feet above NAVD88
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Graph of streamflow measurement data at USGS 06040800 Madison River ab powerplant nr McAllister MT
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