http://www.satimagingcorp.com/galleryimages/digital-elevation-model-high-resolution-dem-sahara-tunisia.jpgThis is a DEM map of elevation changes in Tunesia. This was taken from the IKONOS satellite. This image shows a shelf and a depression in this area of Tunesia Desert. This map is a DEM map because it has contours and uses shadows to show the changes in height in the desert. Enjoy!!
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