Need a DEM for Rockingham County NH

04-08-2015 01:34 PM
New Contributor II

I am trying to get a DEM that covers the area of Londonderry NH (Rockingham County), however when I download from USDA or New Hampshire's site, the western part of the county is not covered. Does anyone know where i can find a complete DEM or series of DEMs that include the WHOLE of Rockingham County New Hampshire? Ultimately  i am going to need to make 2 foot contour lines for the county.

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