The USGS is hosting and distibuting the Shuttle Radar Topography Mission(SRTM) 3 arc second (90m) resolution for South America and North America on the Seamless Data Distribution System .More
The USGS is now offering the Seamless National Elevation Dataset in 1/3 arc second (10m resolution) on media. DVD is now an option on all seamless products.More
A new website called Seamless Data Distribution System - Enhanced (SDDS-E) is available at
http://seamless.usgs.gov. This website hosts NED 1 arc second (30m resolution), NED 1/3 arc second (10m resolution), NLCD, and SRTM dataMore