re: #109 Decatur Deb
This is in the realm of folk-geodesy, which is why it hasn’t been updated. The monument is actually set some distance from the cardboard-solution, which is on a private farm, and even that is assuming a CEP of 20 miles. ‘Twill serve for a tourist goal on our travels.
Yeah, it all starts getting ridiculous when you add Alaska then goes totally nuts when you add Hawaii. The US can’t be represented by a bit of flat cardboard, it’s on the surface of a sphere (should I say spheroid for the pedants) FFS.