![](http://www.alamy.com/thumbs/6/B4ABC72D-7E60-4D8B-8605-52298039DC8F/2AC2E72.jpg)
USGS TOPO Map Pennsylvania PA Duncannon 170518 1952 24000 Inverted Restoration
Size: 6637px × 8069px
Photo credit: © Wetdryvac / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: cartographic, cartography, color, corrected, geological, government, historical, map, mapping, maps, orienteering, repaired, restoration, restored, states, survey, topo, topographic, topographical, topography, topology, uncropped, united, usgs