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Federal
Administrative Boundaries Centroids of National Park System Units
Department of the Interior —
National Park Service unit points. -
Federal
Current Tract Polygons of National Park System Units
Department of the Interior —
National Park Service Unit tract polygons -
Federal
Wolf Trap Farm Park Small-Scale Base GIS Data
Department of the Interior —
This data set contains small-scale base GIS data layers compiled by the National Park Service Servicewide Inventory and Monitoring Program and Water Resources... -
Federal
Wolf Trap National Park Tract and Boundary Data
Department of the Interior —
These ESRI shape files are of National Park Service tract and boundary data that was created by the Land Resources Division. Tracts are numbered and created by the...