3hj+volcano+Group+6

Smart Words Reader Volcanoes by Judith Bauer Stamper Science book of Volcanoes by Patricia Lauber http://www.freebase.com/view/en/volcano/-/geography/mountain_type/mountains_of_this_type http://midju.tripod.com/1.htm http://people.uwec.edu/GALBRAKS/home/volcano1.html
 * References**