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You searched for: Author United States. National Park Service. Remove constraint Author: United States. National Park Service. Format Shapefile Remove constraint Format: Shapefile Collection National Transportation Atlas Database (NTAD) 2013 Remove constraint Collection: National Transportation Atlas Database (NTAD) 2013 Institution Columbia Remove constraint Institution: Columbia Year 2011 Remove constraint Year: 2011
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1. United States National Park System, 2013

2011. United States. Bureau of Transportation Statistics and United States. National Park Service. United States National Park System, 2013 is a polygon theme representing the National Park System.