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National Park Service Unit Centroid Points.
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National Park Service unit boundaries.
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National Park Service Unit tract polygons
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Ozone is a naturally occurring gas that can also be generated in reactions with anthropogenically created nitrogen oxides. While stratospheric ozone prevents ultraviolet radiation from making its...
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Ozone is a naturally occurring gas that can also be generated in reactions with anthropogenically created nitrogen oxides. While stratospheric ozone prevents ultraviolet radiation from making its...
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 04:06 AM -
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 cartographic staff at...
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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 the Government...
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This data set contains small-scale base GIS data layers compiled by the National Park Service Servicewide Inventory and Monitoring Program and Water Resources Division for use in a ...
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These data were converted from the originally delivered Microsoft Access PLOTs database from the Vegetation Mapping Inventory Project of Ninety Six National Historic Site. These comma-delimited...
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