Bacon's Military Map of the United States dated 1862 - Forts and Fortifications - Civil War - Antique Reproduction - Available Framed
Licence Attribution - This is an edited version of the following public domain image: https://commons.wikimedia.org/wiki/File:Bacon%27s_military_map_of_the_United_States_shewing_the_forts_%26_fortifications._LOC_99447070.tif
