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Compass or GPS

by Matthew J. Messina, DDS - Executive Editor
ODA Today

Growing up, I loved maps. I was fascinated by the ability of ancient cartographers to determine how the topography and boundaries should be drawn, given the fact that they never left the ground to see from above. It all had to be done in their mind and then committed to paper. When they were drawing the coastline, accuracy was paramount. A ship’s captain had to have faith in the quality of his maps. Otherwise, he…

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