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Peak Streamflow for the Nation

USGS 01100500 MERRIMACK RIVER AT LAWRENCE, MA

Essex County, Massachusetts
Hydrologic Unit Code 010700
Latitude  42°42'17.4", Longitude  71°09'11.3" NAD83
Drainage area 4,672.00  square miles
Contributing drainage area 4,458.00  square miles
Gage datum 0.00 feet above NAVD88

Period of record
Begin Date End Date Peaks
1852-04-23 1951-04-05 73

 
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