Not an expert, but generally the further west you go in the US (until you hit the west coast, which was already settled before the big westward expansion), the

Not an expert, but generally the further west you go in the US (until you hit the west coast, which was already settled before the big westward expansion), the more grid-like things are, especially in areas without many geographic features as I understand it, this is because the land was more and more allocated in logical blocks - https://en.wikipedia.org/wiki/Public_Land_Survey_System#Sizes_of_PLSS_subdivisions https://en.wikipedia.org/wiki/Public_Land_Survey_System#Size... I mean, we even have completely square or nearly completely square states - https://en.wikipedia.org/wiki/Colorado https://en.wikipedia.org/wiki/Colorado etc