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Historical Markers in Groton, Massachusetts
Lowell and Cambridge are both the county seat for Middlesex County
Groton is in Middlesex County
Middlesex County (409) ►ADJACENT TO MIDDLESEX COUNTY Essex County (345) ► Norfolk County (119) ► Suffolk County (536) ► Worcester County (356) ► Hillsborough County, New Hampshire (81) ►
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Jun. 3, 2024