Visitor Center, Harpers Ferry National Historical ParkHarpers Ferry National Historical ParkHFNM Visitor center in front of Building #36, Buildings 45, 44, 43, 41 in, background. Original caption: NHF-762, HFNM Visitor Center sign in front of building 36, buildings 45, 44, 43, 41 in background.
Woman showing school group around parkEverglades National Park; National Park ServiceView of woman in park uniform with binoculars showing a group of school children around park; "Student group, guide Ruth Medlin, Naturalist".