by Steve French
This past April, I went along with a group of eight other Civil War enthusiasts on a hike to Indian Lookout, site of an important Union signal station during the Gettysburg Campaign. The spot is located atop a rock break high above Mt. Saint Mary’s University in Emmittsburg, Md.
Throughout the conflict, both sides used signal stations to transmit intelligence by flags whose positions represented numbers. Using this system, a signal officer…
