USGS Seamless Server

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About the USGS Seamless Server

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The National Map Seamless Server is the ultimate location to explore and retrieve data. U.S. Geological Survey (USGS) and the EROS Data Center (EDC) are committed to providing access to geospatial data through The National Map. An approach is to provide free downloads of national base layers, as well as other geospatial data layers. These layers are divided into framework categories.

  • Places
  • Structures
  • Transportation
  • Boundaries
  • Hydrography
  • Orthoimagery
  • Land Cover
  • Elevation

Along with providing access to the data, the site contains:

  • Tutorial to help with downloads
  • Information about the downloadable products
  • Frequently Asked Questions
  • Links to product homepages and information pages

The National Map Seamless Server is always growing with new data, tools, features, and much more.

Access the Data

http://seamless.usgs.gov/index.php

Related websites

Main USGS website: US Geological Survey

LIDAR data: USGS Center for LIDAR

Contents of the Data

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The server allows you to download data from:

  • 1 meter Orthoimagery
  • Bureau of Transportation Statistics (BTS) Roads
  • Digital Raster Graphic (DRG)
  • High Resolution Orthoimagery
  • Landsat Mosaic Orthoimagery
  • List of High Resolution Orthoimagery Areas
  • LP DAAC MODIS
  • Modis NDVI Direct Broadcast
  • National Atlas
  • National Elevation Dataset (NED)
    • 1 Arc Second
    • 1/3 Arc Second
    • 1/9 Arc Second
  • National LandCover Dataset (NLCD)
    • 1992
    • 2001
  • Shuttle Radar Topography Mission (SRTM)
    • 1 Arc Second
    • 3 Arc Second