Descriptive InformationEngine House site, with markers by War Dept. describing the battle of, Harpers Ferry in 1862 (markers now on Bolivar Heights at emplacements) Contributed. Original caption: NHF 12, Harper House Porch from Stone Steps before Porch Removal, Jan 1955. NHF-1444, Engine House Site, with markers by War Dept. Describing Battle of Harpers Ferry in 1862, (Markers now on Bolivar Heights at Emplacements), Contributed, 3 1/2 x 4 Negative Filed, (Only modern pix in our NHF File).