Statistics for occurrence #1 of “Billerica” in chapter 1 of Medford Historical Society Papers, Volume 7.:
...hese latter, which varied from one to six miles in length, sixteen 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 contig...
Max. Freq. | Min. Freq. | ||||||
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Entity | Corpus | Doc | Corpus | Doc | |||
† | Billerica (Massachusetts, United States) | 452 | 14 | 6 | 0 | 0 user votes | |
† | Billerica (Massachusetts, United States) | 4 | 2 | 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.