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National Park Service Unit tract polygons
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National Park Service Unit Centroid Points.
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The landcover map presented here was manually digitized on current aerial photography in a GIS environment and field checked by vegetation survey. The landcover classes identified represent both...
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The Digital Geologic-GIS Map of Sitka National Historical Park and Vicinity, Alaska is composed of GIS data layers and GIS tables, and is available in the following GRI-supported GIS data formats:...
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These ESRI shape files are of National Park Service tract and boundary data that were 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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National Park Service unit boundaries.
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These data were converted from the originally delivered Microsoft Access PLOTs database from the Vegetation Mapping Inventory Project of Sitka National Historical Park. These comma-delimited data...
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Exotic plant survey polygon data representing infested or non-infested areas including inventory, treatment, and monitoring efforts. Polygons are generated by 1) collecting point and line features...
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