|** National Elevation Dataset (NED) - 2012, 3/10/30/60m, TIF Format **|
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USGS National Elevation Dataset (NED)
Updated August 2012
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Size: 925GB Compressed, 1.4TB Uncompressed
Resolutions: Hawaii, 10m Complete, Puerto Rico 30m Complete
Alaska Coverages, US48 Coverages.
Download coverage shapefiles
*** 10m and 30m NED Data is also available via Premium Download at the county level ***
The USGS National Elevation Dataset (NED) has been developed by merging the highest-resolution, best quality elevation data available across the United States into a seamless raster format. NED is the result of the maturation of the USGS effort to provide 1:24,000-scale Digital Elevation Model (DEM) data for the conterminous US and 1:63,360-scale DEM data for Alaska. The dataset provides seamless coverage of the United States, HI, AK, and the island territories. NED has a consistent projection (Geographic), resolution, and elevation units (meters). The horizontal datum is NAD83, except for AK, which is NAD27. The vertical datum is NAVD88, except for AK, which is NAVD29.