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Topography – Digital Elevation Model (30m)


US Geological Survey
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This data layer is a Digital Elevation Model (DEM) with a resolution of 30 meters. It was developed by the United States Geological Survey at the 1:24,000 scale. A DEM is a representation of the earth's topography. An accurate understanding of the topography of an area and the elevation of specific locations are vital to understanding the physical and biological processes that are occurring both on the landscape and in the atmosphere.

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