1800
In addition to featuring maps of individual states (such as the map of Vermont), Carey added maps of newly organized territories in his atlases. For example, this map depicts part of southeastern Ohio divided into seven ranges of six-mile-square townships, many of which were further subdivided into one-mile-square sections. This was the beginning of America’s rectangular survey system, which became the standard practice for surveying and selling lands in the public lands west of the Appalachian Mountains. Americans, speculators and settlers alike could use maps like this one to determine which parcels of land were available for purchase.
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