2D

This page (menu item) is for 2-dimensional geometry.

The (surveyor’s) Chain, the Section, the Township, the County

Intro The way surveyors laid out the townships and counties (and property lines) back in the 1800’s is very interesting and intriguing to me.  It is also great for mental math (mental calculations). (Obviously these property lines are still used today.) I’ll scratch the surface and more can be found via google. The (surveyor’s) Chain …