Another article about the Honey War? Sure!
For a shorter story and more geographic nitty-gritty, there is my page on the Sullivan Line, but my photos were taken when the grass wasn’t green. Also, I visited the marker in “the corner” southeast of Bedford a second time on my circumnavigation.
(PS: The Matchstick Marvels Museum in Gladbrook is the first item that pops up in the Atlas Obscura search for “Iowa.”)