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These data represent the first ten years of data collection (2007-2016) on avian abundance/density and distribution in the National Capital Region as part of the Inventory and Monitoring Program....
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National Park Service Unit Centroid Points.
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National Park Service Unit tract polygons
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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 layers complete with...
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The Digital Geologic-GIS Map of National Capital Area Parks and George Washington Memorial Parkway and Vicinity, District of Columbia, Virginia, and Maryland, adapted from a U.S. Geological Survey...
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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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The National Park Service (NPS) in response to the growing evidence and awareness of the effects of climate change on federal lands determined that monitoring wetland elevation change is a top...
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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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This report summarizes a three-year (2002-2004) inventory of fishes in six parks of the National Capital Region: Antietam National Battlefield, Chesapeake and Ohio Canal National Historic Park,...
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Locations of Presidential Memorials in the District of Columbia associated with the National Mall and Memorial Parks and George Washington Memorial Parkway.
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This layer represents locational data for fish surveys of streams and ponds of six parks within the National Park Service National Capital Region. Point locations represent sampling sites for both...
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This color infrared imagery covers the area in and around the George Washington Memorial Parkway (GWMP). The photographs were taken in 2004 and published in 2006. Orthophotos combine the image...
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National Park Service unit boundaries.
Search relevance: 1.00 | Views last month: 0 | Catalog Last Checked: January 27, 2026 at 07:49 PM
