Alfred Wegener- The German geologist, Wegener put forth his theory of continental drift that was met with considerable hostility from his colleagues and not fully accepted until the late 1950s.
Atmosphere- The NASA Global Change Master Directory information on the atmosphere.
Earth Science- The NASA Global Change Master Directory information on the solid earth.
Hell’s Crust- This is from the Public Broadcasting System, and contains information on the dynamic crust and mantle of the earth.
Introduction to Plate Tectonics- This site is also linked to much information on the geology of the Hawaiian Islands.
http://volcano.und.nodak.edu/vwdocs/vwlessons/plate_tectonics/introduction.html
Land Surface- The NASA Global Change Master Directory information on the surface of the land surface.