http://en.wikipedia.org/wiki/Volcano
http://simple.wikipedia.org/wiki/Extinct_volcano
http://simple.wikipedia.org/wiki/Mount_Buninyong
http://simple.wikipedia.org/wiki/Mount_Ashitaka
http://simple.wikipedia.org/wiki/Huascar%C3%A1n
http://www.volcanodiscovery.com/volcanoes/faq/active_erupting.html
http://volcano.oregonstate.edu/how-volcano-defined-being-active-dormant-or-extinct
http://en.wikipedia.org/wiki/Mount_Kilimanjaro
http://answers.yahoo.com/question/index?qid=20081203134706AA2zbM5
http://en.wikipedia.org/wiki/Yellowstone_Caldera
http://volcano.oregonstate.edu/shield-volcanoes
http://www.geology.sdsu.edu/how_volcanoes_work/shieldvolc_page.html
http://en.wikipedia.org/wiki/Shield_volcano
http://www.volcano.si.edu/galleries.cfm?p=2
http://answers.yahoo.com/question/index?qid=20100830223457AA6BabC
http://volcano.oregonstate.edu/lava-domes
http://www.kids-fun-science.com/dome-volcano.html
http://en.wikipedia.org/wiki/Lava_dome
http://en.wikipedia.org/wiki/Cinder_cone
http://www.k12.hi.us/~kapunaha/student_projects/volc_blowout/cinder_cone_volcano.htm
http://en.wikipedia.org/wiki/Stratovolcano
http://library.thinkquest.org/17457/volcanoes/types.composite.php
http://en.wikipedia.org/wiki/Mount_Fuji
http://www.livescience.com/29790-worlds-five-most-active-volcanoes.html
http://en.wikipedia.org/wiki/Mount_Terror_(Antarctica)
http://en.wikipedia.org/wiki/Mauna_Loa
http://en.wikipedia.org/wiki/Mount_Alayta
http://en.wikipedia.org/wiki/Mount_Kenya
http://en.wikipedia.org/wiki/Lassen_Peak
http://en.wikipedia.org/wiki/The_Volcano_(British_Columbia)
http://simple.wikipedia.org/wiki/Extinct_volcano
http://simple.wikipedia.org/wiki/Mount_Buninyong
http://simple.wikipedia.org/wiki/Mount_Ashitaka
http://simple.wikipedia.org/wiki/Huascar%C3%A1n
http://www.volcanodiscovery.com/volcanoes/faq/active_erupting.html
http://volcano.oregonstate.edu/how-volcano-defined-being-active-dormant-or-extinct
http://en.wikipedia.org/wiki/Mount_Kilimanjaro
http://answers.yahoo.com/question/index?qid=20081203134706AA2zbM5
http://en.wikipedia.org/wiki/Yellowstone_Caldera
http://volcano.oregonstate.edu/shield-volcanoes
http://www.geology.sdsu.edu/how_volcanoes_work/shieldvolc_page.html
http://en.wikipedia.org/wiki/Shield_volcano
http://www.volcano.si.edu/galleries.cfm?p=2
http://answers.yahoo.com/question/index?qid=20100830223457AA6BabC
http://volcano.oregonstate.edu/lava-domes
http://www.kids-fun-science.com/dome-volcano.html
http://en.wikipedia.org/wiki/Lava_dome
http://en.wikipedia.org/wiki/Cinder_cone
http://www.k12.hi.us/~kapunaha/student_projects/volc_blowout/cinder_cone_volcano.htm
http://en.wikipedia.org/wiki/Stratovolcano
http://library.thinkquest.org/17457/volcanoes/types.composite.php
http://en.wikipedia.org/wiki/Mount_Fuji
http://www.livescience.com/29790-worlds-five-most-active-volcanoes.html
http://en.wikipedia.org/wiki/Mount_Terror_(Antarctica)
http://en.wikipedia.org/wiki/Mauna_Loa
http://en.wikipedia.org/wiki/Mount_Alayta
http://en.wikipedia.org/wiki/Mount_Kenya
http://en.wikipedia.org/wiki/Lassen_Peak
http://en.wikipedia.org/wiki/The_Volcano_(British_Columbia)