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M1.2.3

Checks the reasonableness of results through estimation.

Contouring and Topo Maps

Twice during college I was taught to do hand contouring. One time in a meteorology class where the class was drawing isobars and isotherms on a weather map. One time in a geology class where we were drawing the topographical contours on an elevation map. I really enjoyed those exercises, but both times I remember thinking, "This is elementary school level."

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