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Peak Streamflow for the Nation

USGS 01638500 POTOMAC RIVER AT POINT OF ROCKS, MD

Frederick County, Maryland
Hydrologic Unit Code 02070008
Latitude  39°16'24.9", Longitude  77°32'35.2" NAD83
Drainage area 9,651  square miles
Gage datum 199.92 feet above NAVD88

Period of record
Begin Date End Date Peaks
1889-06-02 2023-03-05 130

 
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