Statistics for occurrence #1 of “North Billerica” in chapter 1 of Medford Historical Society Papers, Volume 7.:

...educt has long since succumbed to the forces of nature, the same silent forces have invested the granite walls (innocent of mortar in their building), with a dignity that impresses the beholder. At North Billerica one guard lock remains with its gates, and conveys the water to the wheel-pits of the Talbot mills, while a little below is the ruin of the lock into the lower river, with a fragment of the gate stil...
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Entity Corpus Doc Corpus Doc  
North Billerica (Massachusetts, United States) 13 4 1 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.