Digital Elevation Models (DEM) are digital files consisting of
terrain elevations for ground positions at regularly spaced
horizontal intervals.
[Source: USGS]
Group: Platform_Details
Entry_ID: DEM
Group: Platform_Identification
Platform_Category: Models
Short_Name: DEM
Long_Name: Digital Elevation Model
End_Group
Group: Synonymous_Platform_Names
Short_Name: DEM
End_Group
Creation_Date: 2007-12-13
Online_Resource: http://rmmcweb.cr.usgs.gov/elevation/dpi_dem.html
Sample_Image: http://edc.usgs.gov/images/dem.jpg
End_Group (en)