Statistics for occurrence #1 of “Massachusetts” in chapter 54, page 208 of Thomas Wentworth Higginson, Massachusetts in the Army and Navy during the war of 1861-1865, vol. 1, Condensed history of regiments.:

...ttle of Cold Harbor, moving with the army towards the James River June 12. On June 15, the regiment's term of service having expired, it withdrew from the front and returned to Washington; reaching Massachusetts June 20, it was mustered out at Taunton, July 5, 1864.
...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Massachusetts (Massachusetts, United States) 30,598 178 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.