Chicago had a grid system before the great fire, maybe NY is a good example of this but I do not know. See this[0] 1869 map which shows Chicago was already quit

Chicago had a grid system before the great fire, maybe NY is a good example of this but I do not know. See this[0] 1869 map which shows Chicago was already quite regularized 0: https://upload.wikimedia.org/wikipedia/commons/a/a8/1869_Blanchard%27s_map_of_Chicago_and_Environs.jpg https://upload.wikimedia.org/wikipedia/commons/a/a8/1869_Bla...