Cascades Volcano Observatory	Visit an observatory for volcanoes instead of stars.
Earthquake Information	Activity updates and earthquake facts from the United States Geological Survey.
Frank Potter's Science Gems - Earth Science I	Physicist Dr. Potter found and organized resources by grade level!
General Earthquake Information	More earth-shaking info from our friends at U.S.G.S.
Geology Link Page	Hundreds of well-organized geology-related Web sites.
How Far is It?	This Indonesian site calculates distances on earth.
PCL Map Collection (University of Texas)	Maps, maps, and more maps organized by regions and current events.
Learning Web at the U.S. Geological Survey	Outstanding classroom ideas and information courtesy of this U.S. federal agency.
Rob's Granite Page	Dr. Rob grooves on granite (not to mention geology).
Rockhounds	Rocks, gems and minerals (and the people who love them).
U.S.G.S. Near Real-time Earthquake Bulletin	Find out if that shaking beneath your feet is a quake in progress!
Virtual Field Trip Through Big Bend National Park	A geologist's dream excursion through this amazing place.
VolcanoWorld	One of the oldest and best volcano resources on the Internet.
World Wide Web Virtual Library: Geography	Extensive collection of geography-related Web sites.

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