https://youtu.be/lm1OHUnpBxQ University of Maine professor of history Anne Knowles uses GIS (Geographic Information Systems) to explore and illustrate how the Civil War disaster at Gettysburg could have been a result of the geography as seen from General Lee’s vantage point. Transcript Anne Knowles: Gettysburg is another subject that so many people have studied. It is read more Line of sight — Gettysburg