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2016-06-24 21:20:00


U.S. Geological Survey, 20160607, USGS NED Original Product Resolution AK Ifsar-Mid-Acc-D2L1-C366 2012 ArcGrid 2016: U.S. Geological Survey: Reston, VA,,


This is the Original Product Resolution (OPR) Digital Elevation Model (DEM) as provided to the USGS. This DEM is delivered in the original resolution, with the original spatial reference. All elevation units have been converted to meters. These data may be used as the source of updates to the National Elevation Dataset (NED), which serves as the elevation layer of the National Map. These data can be used by scientists and resource managers for global change research, hydrologic modeling, resource monitoring, mapping and visualization, and many other applications.


Distributor :
U.S. Geological Survey
Metadata Contact :
U.S. Geological Survey
Originator :
U.S. Geological Survey
Publisher :
U.S. Geological Survey

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Original FGDC Metadata

12.43 KB


The NED serves as the elevation layer of The National Map, and provides basic elevation information for earth science studies and mapping applications in the United States. The data are utilized by the scientific and resource management communities for global change research, hydrologic modeling, resource monitoring, mapping and visualization applications.

Additional Information


Type Scheme Key
id gda 8141877

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