1. Pictures of Caves
   A variety of cave pictures and images..
   http: //classroomclipart.com/clipart/Geography/Cave...
   
   
2. Virtual Cave
   The Virtual Cave is an online reference to the minerals and features found within caves of all types.
   http: //goodearthgraphics.com/virtcave/virtcave...
   
   
3. Caverns of California - Guided Cave Tours, Spelunking Trips and Underground Gold
   Guided cave tours, underground gold mine tours, underground rappels, advanced and novice adventure spelunking expeditions and more, for experienced cavers and the entire family in four beautiful caverns in California - Black Chasm, Boyden Cavern, California Cavern, Moaning Cavern and one modern hard rock mine in the historic gold country - Sutter Gold Mine.
   http: //caverntours.com/
   
   
4. Caves of the Kingdom of Saudi Arabia
   Yes, there are caves beneath the dunes! Saudi Arabia's limestone bed is sixty million years old.
   http: //saudicaves.com/index.html
   
   
5. Illinois Natural History Survey, Biospeleology web site
   Illinois Natural History Survey, Biospeleology web site...
   http: //inhs.uiuc.edu/~sjtaylor/cave/biospeleol...
   
   
6. The Virtual Cave: Corrasional Caves
   Erosional caves are those formed by the action of water or wind, carrying abrasive particles capable of carving rock
   http: //goodearthgraphics.com/virtcave/erosiona...
   
   
7. Mammoth Cave Online - How the Caves were formed
   Mammoth Cave is a great place to get exercise for the body while exercising the curiosity of the mind...
   http: //mammothcave.com/
   
   
8. Kentucky Caverns - Cave Formation - Horse Cave, Kentucky
   Kentucky Caverns features some of the most intricate onyx formations in Kentucky's cave country.
   http: //kdu.com/caveform.html
   
   
9. Bats and More Bats!
   Welcome to Colossal Cave Mountain Park, this dormant cave is the home to dozens of species of mammals, including bats. Colossal Cave, which is on National Register of Historic Places...
   http: //colossalcave.com/bats.html
   
   

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