Seamless geographic data distribution system

http://seamless.usgs.gov/

Online map system providing downloadable geospatial data, primarily NSDI framework themes (that is, general geographic data such as transportation, boundaries, hydrography, orthoimagery, land cover, and elevation).

Related topics:
Administrative and political boundaries, Geographic information systems, Geography, Geospatial datasets, Image collections, Land use and land cover, Remote sensing, Topography, Transportation, Web map services
Alternative formats of this information:
Compatible standard Format
FGDC-CSDGM Text XML JSON
CCM of Project Open Data JSON
ISO 19115 XML