Recruited as the 1st Maine infantry in the spring of 1861: reorganized as the 10th infantry, Oct. 1861, for two and three-year terms. "The two-years men were mustered out ... May ... 1863 and the remaining men consolidated into a battalion [10th] ... transferred to the 29th Maine vols. Nov. 1,'63." cf. Official army register of volunteers. v.1, p. 29
Not actually consolidated till May 1864
"Additions and corrections to History 1-10-29 Maine regiment. Correcting all errors that have been noticed up to February, 1893."