Resources:
- College of Earth and Mineral Sciences, Penn State University
http://www.ems.psu.edu/
- Data and Information about the solid Earth
http://www.ngdc.noaa.gov/seg/segd.html
- Earthquakes offers information, photos, and related links provided by Microsoft Encarta.
http://encarta.com/find/Concise.asp?z=1&pg=2&ti=04EFD000&o=1
- The Electronic Volcano from the Earth Sciences Department, Dartmouth College
http://www.dartmouth.edu/~volcano/
- The Michigan Technological University Volcanoes Page
http://www.geo.mtu.edu/volcanoes/
- Smithsonian Gem & Mineral Collection
http://galaxy.einet.net/images/gems/gems-icons.html
- The U.S. Geological Survey Learning Web
http://info.er.usgs.gov/education/index.html
- The Volcano Information Center
http://www.geol.ucsb.edu/~fisher/
- Volcano World
http://volcano.und.edu/