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Date: 4:30pm EDT April 29, 2019

The Mystery of the Transit in the Tower - A Talk by David Thaler

How a Survey Error by Capt John Smith in 1608 led to the Granddaddy of all Boundary Disputes

that was only settled by the

Greatest Scientific and Engineering Achievement of the 18th Century

The Mason Dixon Survey


The Discovery of America’s most Historic Scientific Instrument

a tale right out of a National Treasure Movie

This program is free and open to the public, sponsored by the GIS Program at Washington College.