Company E crossed the river on the morning of December 12, in advance of Burnside's army.

The evidence

• “tjie morning of the 12th of December, 1862, in advance of Burnside's Army), and took a position on the left of the battle line at Gettysburg. In the latter part of July, 1863, Company E occupied Kingston, N.”

  1879-history-of-rock-county/12-rock-county-ch06-politics-war-record.md, PDF p. 456 / book p. 460

  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