National Park Service Civil War data - Fort
Armstrong L. 2002. National Park Service Civil War data - Fort. National Park Service, GIS Program Office
This dataset contains historical forts located in the National Park System. The dataset was compiled (and edited) from a variety of sources including park-based GIS databases, park geo-referenced historical maps, GPS collection, U.S. Geological Survery 7.5' 1:24000 quadrangles and DOQQs. The locations are in Latitude-Longitude (NAD83) decimal degrees.