The Second regiment was mustered out of service at Madison, and the remnant of Company D returned to Rock County.

The evidence

• “On the 27th of August following, the regiment was transferred to the command of Gen. Rufus King, and composed a portion of the " Iron Brigade." Company D participated in the campaigns against Richmond, in the battles of Gainesville, South Mountain, Antietam, Fredericksburg, Gettysburg, Laurel Mountain and at other points, until May 11, 1864. At that date, the regiment was detached from the brigade it had accompanied since its organization, and to whose reputation it so materially contributed (the Second having been reduced to less than one hundred men fit for active service), and employed as Provost Guard of the Fourth Division, Fifth Army Corps, accompanying that Division in the movement to the left, crossing the North Anna River on the 23d of May, and arriving, on the 6th of June, on the Chickahominy. The regiment remained here until the 11th of the same month, when it marched to White House Landing, whence it embarked for Washington, and arrived in Madison June 18, where, on the 2d of July, 1864, it was mustered out of service, and the remnant of Company D returned to Rock County. When the regiment reached Wisconsin, its total number was 155 ofiicers and men, out of 1,050 who en”

  1879-history-of-rock-county/12-rock-county-ch06-politics-war-record.md, PDF p. 455 / book p. 459

  Butterfield, C. W., et al. The History of Rock County, Wisconsin: its early settlement, growth, development, resources, etc. Chicago: Western Historical Company, 1879. Cornell University Library via the Internet Archive, archive.org/details/cu31924028871585.

  Grade A: Found on a page of one of our sources