Col. Porter C. died at Atlanta.

The evidence

• “He threw his sword toward his friends. His person fell into the hands of his foes, among whom he died at Atlanta,.July 3, 1864.”

  1879-history-of-rock-county/12-rock-county-ch06-politics-war-record.md, PDF p. 479 / book p. 483

  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