The following is taken from The Union army: a history of military affairs in the loyal states, 1861-65 -- records of the regiments in the Union army -- cyclopedia of battles -- memoirs of commanders and soldiers. Madison, WI: Federal Pub. Co., 1908. volume II.

[The 170th NY Inf] met with another heavy loss at Petersburg, June 16-22, where its casualties amounted to 22 killed, in wounded and 3 missing. Most of this loss occurred in the assault of June 16. The regiment was again hotly engaged at Reams' station, where Maj. Donnelly was killed. From June, 864, until the close of the war, the Legion, together with the 8th SI. Y. heavy artillery, formed the 2nd brigade, 2nd division, 2nd corps." The casualties of the regiment at Reams' station amounted to 85 killed, wounded and missing.

John B Donnelly