David Woodbury, of the always excellent Of Battlefields and Bibliophiles blog, posted today a note about a marker in Bloomfield (Davis County), Iowa commemorating the northernmost point reached by pro-Confederate forces in the state. Take a look at it here.
I just thought I would add a CWBA addendum and mention the only publication I know of that documents the event, Russell Corder's The Confederate Invasion of Iowa (1997). No copies have been made available through interlibrary loan, and I've looked off and on for years in the online book markets and have never come across a listing for this 30 page booklet. It remains a mystery.