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I bet there's a number of grid corrections due to historical subdivision, not cartography. The first land developers like George Calvert and William Penn and m
by imglorp 11y ago
I bet there's a number of grid corrections due to historical subdivision, not cartography.
The first land developers like George Calvert and William Penn and more going westward had large tracts of land to subdivide into smaller and smaller units but they didn't all make the same choices. Eventually roads within needed to meet and corrections made.
In the East, almost every town has a "County Line Road" and more times than not, it's crooked and met with a number of dogleg corrections.
- pierrec 11y agoIt should be easy to identify those that are due to curvature, though. My understanding is that states parceled according to the PLSS have fairly consistent township and section divisions, made using a system that takes the earth's curvature into account in a systematic way. This method introduces "corrections" like those in the article at regular, predictable intervals. This is described in the second and third paragraphs of "Survey Design" here: https://en.wikipedia.org/wiki/Public_Land_Survey_System#Survey_design https://en.wikipedia.org/wiki/Public_Land_Survey_System#Surv...