A portal for earth scientists, including selected Internet links (topics are geophysics, geotechnics, hydrogeology, and GIS) and commercial material.
http://www.geologia.com/english/welcome_eng.html
Internet-based, technical information system. All Internet-based information contained in Geoforum.com is free of charge
http://www.geoforum.com/
University of California Museum of Paleontology's extensive collection of links to natural history, educational, and paleontology resources.
http://www.ucmp.berkeley.edu/subway/subway.html
| NASA: Global Change Directory |
A collection of links to internet resources on global change, earth science, and environmental data and information.
http://gcmd.gsfc.nasa.gov/Aboutus/sitemap.html
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