The Eleventh battery was organized at Camp Douglas, Chicago; William A. Pile enlisted ninety-nine men early in 1862 for the Twelfth battery; Caswell heard a man predict the war's outcome "about the year 1862."

The evidence

• “The Tenth battery — Captain Yates V. Bebee— after being mustered in at Milwaukee, on the loth of February, 1862, left " Camp Utley," Racine, on the i8th of March for St. Louis, one hundred and seventeen strong. The Eleventh battery — Captain John O'Rourke— was made up of the " Oconto Irish Guards " and a detachment of Illinois recruits. The company was organized at " Camp Douglas," Chicago, in the Spring of 1862. Early in 1862, William A. Pile succeeded in enlisting ninety-nine men as a company to be known as the Twelfth battery.”

  1879-history-of-rock-county/02-wisconsin-as-a-state.md, PDF p. 80

  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