new U.S. Geological Survey web mapping tool released on Thursday. The USGS Texas Water Science Center led the development working in cooperation with the USGS National Atlas program, it is a tool to enable exploration of America's largest streams with trace navigation based on a user-specified point, along with reports containing information on the areas through which the upstream or downstream flow trace runs through.
<http://nationalatlas.gov/streamer/Streamer/welcome.html> http://nationalatlas.gov/streamer/Streamer/welcome.html <http://nationalatlas.gov/streamer/Streamer/welcome.html> http://www.usgs.gov/newsroom/article.asp?ID=3633&from=rss_home
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