Statistics for occurrence #1 of “Mystic river” in chapter 20 of Medford Historical Society Papers, Volume 1.:

...wn, Roxbury, and Dorchester. Without going into further details, it is plain enough that the men specially engaged in the service of Mr. Cradock, probably with others, settled on the east side of Mystic river , nearly opposite the Ten Hill Farm, where Governor Winthrop established himself. It may be reasonably supposed that Governor Winthrop himself suggested the location. Here the General Court afterw...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Mystic River (Massachusetts, United States) 226 0 24 0 0 user votes
Mystic River (Connecticut, United States) 34 4 0 0 0 user votes
Mystic River (Massachusetts, United States) 18 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.