Geology

 

USGS: Science for a Changing World

http://www.usgs.gov/

This Dynamic Earth: The Story of Plate Tectonics

http://pubs.usgs.gov/publications/text/dynamic.html

Geologic Provinces of the United States http://geology.wr.usgs.gov/docs/parks/province/province.html (Includes Colorado Plateau and other excellent plate tectonics information about regions of the U.S.)

Earth from Space (includes pictures of landforms)

http://earth.jsc.nasa.gov/sseop/efs/

Volcano World http://volcano.und.nodak.edu/

Galapagos on the Web

http://www.geo.cornell.edu/geology/Galapagos.html

Terra Server http://terraserver.homeadvisor.msn.com/default.aspx (Excellent for graphic relief maps. Use Advance Search option to put in coordinates for latitude and longitude.)

 

Updated November 2008