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Date: 2013-10-22 12:06:49 Cartography Geographic information systems Synthetic aperture radar Digital elevation model Remote sensing Shuttle Radar Topography Mission National Elevation Dataset Lidar United States Geological Survey Topography USGS DEM Interferometric synthetic aperture radar		Microsoft Word - NED_Release_Notes_Apr12.doc Add to Reading List Source URL: nationalmap.gov Download Document from Source Website File Size: 1,79 MB Share Document on Facebook

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