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Federal
Administrative Boundaries Centroids of National Park System Units NGDA
Department of the Interior —
National Park Service unit points. -
Federal
Total mercury concentrations in dragonfly larvae from U.S. national parks (ver. 10.0, January 2025)
Department of the Interior —
Comma-separated values (.csv) file containing data related to mercury concentrations in dragonfly samples from U.S. National Parks, Protected Places, and other... -
Federal
Digital Geologic-GIS Map of Petersburg National Battlefield and Vicinity, Virginia (NPS, GRD, GRI, PETE, PETE digital map) adapted from a Virginia Division of Geology and Mineral Resources STATEMAP Deliverable map by Occhi, Berquist, Latane and Blanchette (2018)
Department of the Interior —
The Digital Geologic-GIS Map of Petersburg National Battlefield and Vicinity, Virginia is composed of GIS data layers and GIS tables, and is available in the... -
Federal
Hydrographic and Impairment Statistics Database: PETE
Department of the Interior —
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in... -
Federal
Digital Geologic-GIS Map of Grant's Headquarters at City Point, Petersburg National Battlefield, Virginia (NPS, GRD, GRI, PETE, CIPO digital map) adapted from a U.S. Geological Survey Bulletin map by Dischinger (1987)
Department of the Interior —
The Digital Geologic-GIS Map of Grant's Headquarters at City Point, Petersburg National Battlefield, Virginia is composed of GIS data layers and GIS tables, and is... -
Federal
Hydrographic and Impairment Statistics Database: PETE
Department of the Interior —
Hydrographic and Impairment Statistics (HIS) is a National Park Service (NPS) Water Resources Division (WRD) project established to track certain goals created in...