SOUTH DAKOTA Department of
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DEM - Digital Elevation Model


DEMs are in grid format with a 30-meter horizontal grid spacing.

Scale: 1:24,000; Projection: UTM Zone 14 or UTM Zone 13; Datum: NAD83;

Each zipped file contains up to 64 DEM grids that comprise the 1x1-degree block. The files must extracted with the "Use folder Names" option to preserve the file folder structure. The files can be added as a grid into GIS software.