Gettysburg Battlefield — This 1863 oval-shaped map depicts Gettysburg Battlefield during July 1–3, 1863, showing troop and artillery positions and movements, relief hachures, drainage, roads, railroads, and houses with the names of residents at the time of the Battle of Gettysburg.
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=6708914