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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: GREE
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... -
National Parks
The National Parks dataset September 30, 2019 is part of the U.S. Department of Transportation (USDOT)/Bureau of Transportation Statistics's (BTS's) National Transportation... -
Hydrographic and Impairment Statistics Database: GREE
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. -
Digital Geologic Map of George Washington Memorial Parkway and parks in the N...
The Digital Geologic Map of George Washington Memorial Parkway and parks in the National Capital Area, Virginia, Maryland, and the District of Columbia is composed of GIS data... -
National Parks
The National Parks dataset September 30, 2019 is part of the U.S. Department of Transportation (USDOT)/Bureau of Transportation Statistics's (BTS's) National Transportation...
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