Press "Enter" to skip to content

TNM Download

The TNM Download website is hosted by the US Geological Survey (USGS). It’s the successor to The National Map Viewer. It provides FTP access to a large number of important national-level datasets.

  • Topographic maps • National Boundary Dataset
  • National Hydrography Dataset (NHD)
  • 3D Elevation Program • Map Indices
  • Watershed Bounday Dataset (WBD)
  • National Agriculture Imagery Program (NAIP)
  • Geographic Names Information System (GNIS)
  • National Land Cover Database (NLCD)
  • Small-scale Boundaries, Contours and Elevation
  • National Structures, Transportation Datasets

Download portal URL:

Comments are closed.