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Streamflow Measurements for the Nation

USGS 01661500 ST MARYS RIVER AT GREAT MILLS, MD

St. Mary'S County, Maryland
Hydrologic Unit Code 02070011
Latitude  38°14'30.3", Longitude  76°30'13.2" NAD83
Drainage area 24.0  square miles
Gage datum 6.86 feet above NAVD88

Period of record
Begin Date End Date Count
1946-06-21 2024-11-15 622

 
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