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The National Map Elevation Content

By NGP Standards and Specifications

These are all of the different types of elevation content depicted in The National Map.

Return to TNM content categories
  • Contours
  • Digital Elevation Model, 1 arc-second (approximately 30 meter) resolution
  • Digital Elevation Model, 1 meter resolution
  • Digital Elevation Model, 1/3 arc-second (approximately 10 meter) resolution
  • Digital Elevation Model, 1/9 arc-second (approximately 3 meter) resolution
  • Digital Elevation Model, 2 arc-second (approximately 60 meter) resolution
  • Digital Elevation Model, 2 arc-second (approximately 60 meter) resolution
  • Digital Elevation Model, original product resolution
  • Ifsar Digital Surface Model
  • Ifsar Orthorectified Image
  • Lidar Point Cloud
  • Shaded Relief

For comments or questions about the The National Map Elevation Content, please email:  tnm_help@usgs.gov.