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Streamflow Measurements for the Nation

USGS 01646000 DIFFICULT RUN NEAR GREAT FALLS, VA

Fairfax County, Virginia
Hydrologic Unit Code 02070008
Latitude  38°58'33", Longitude  77°14'46" NAD27
Drainage area 57.8  square miles
Gage datum 150.94 feet above NAVD88

Period of record
Begin Date End Date Count
1935-02-12 2024-10-15 794

 
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