Join Camp­bell House Muse­um Exec­u­tive Direc­tor Andrew Hahn for a pre­sen­ta­tion on Comp­ton and Dry’s intri­cate­ly detailed 1875 map of St. Louis, host­ed by the Mis­souri His­to­ry Muse­um in con­junc­tion with their new block­buster exhi­bi­tion, “A Walk Through 1875”.