but photographing the origin, (0,0), in each town.
The same could be done for statewide systems, e.g.,
That’s for North Dakota. Ah, but in South Dakota on the other hand there is no (0,0)! They are using the much smarter false northing and false easting idea to eliminate possible N/S and E/W confusion. You’ll have to be satisfied with (100,100).
Actually one can even go further and eliminate N/E/S/W confusion:, with false origin at (2500,7500) etc.
But what does all this have to do with Openstreetmap? Not much, but maybe it should:
Bummer if you live in Europe though. No Few grids. All Most streets just start at house 1. No Usually no rules that parallel streets should have numbers in lockstep. Few parallel streets in the first place.