Statistics for occurrence #1 of “Chelmsford” in chapter 1, section c.1.1, page 3 of Medford Historical Society Papers, Volume 7.:

...en locks, like huge steps, were built, overcoming a rise of one hundred and four feet from tide water at Charlestown, to the Concord at Billerica, and a descent of twenty-six feet to the Merrimack at Chelmsford . Five others provided entrance into these rivers, and also into the Mystic at Medford, while suitable waste weirs were placed contiguous to natural water courses. Filling this ditch to within a f...

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Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Chelmsford (Canada) 0 0 0 0 0 user votes
Chelmsford (Massachusetts, United States) 0 0 0 0 0 user votes
Chelmsford (United Kingdom) 0 0 0 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.