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Administrative Boundaries Centroids of National Park System Units 06/30/2022
National Park Service unit points. -
Hydrographic and Impairment Statistics Database: HAGR
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in response to... -
Administrative Boundaries Centroids of National Park System Units 06/30/2022
National Park Service unit points. -
Hamilton Grange National Memorial Tract and Boundary Data
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 regional...