Another consequence of incomplete geography and unclear surveying was the Toledo War between Ohio and the Michigan Territory: https://en.wikipedia.org/wiki/Tole

Another consequence of incomplete geography and unclear surveying was the Toledo War between Ohio and the Michigan Territory: https://en.wikipedia.org/wiki/Toledo_War https://en.wikipedia.org/wiki/Toledo_War In the end, the loser was Wisconsin: Ohio got Toledo and Michigan got the UP.