Keywords: Gettysburg-Open-Battlefield.svg en Map of the Gettysburg Battlefield with historic street names geographic features and significant buildings marked own <br /> The topographic information was derived from current and historic United States Geological Survey USGS maps USGS public maps are in the public domain per the license below <br /> PD-USGov-USGS <br /> Historical information including the layout of the battlefield at the time of the conflict was derived from the battle maps drawn by John B Bachelder Those maps are now in the public domain per the license below <br /> PD-old-100 Veggies 2015-09-10 cc-by-sa-3 0 GFDL Maps of the Battle of Gettysburg |