Wednesday, March 28, 2012

DEM

http://en.wikipedia.org/wiki/File:Oregon_DEM_relief_map.gif

     The map shown above is an example of a digital elevation map also known as a DEM. This map is specifically designed to help show the elevation of a certain area. Digital elevation maps are useful in that they can help one get a layout of the land before people may go on vacation or traveling to a certain location. Digital elevation maps are taken from the USGS topographic map series. The map displayed above is a digital elevation map of Oregon.

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