Pictures on Avalanches
1)
An avalanche in action
http://www.enn.com/news/enn-stories/2000/12/12202000/ava2.jpg
2) An avalanche in action
http://www.milfordroad.co.nz/graphics/layout/avalanche.jpg
3) A slab avalanche (Note the crack)
http://www.cirrusalpineguides.com/images/avalanche.jpg
4) An avalanche in action
http://www.pbs.org/wgbh/nova/avalanche/images/avalanche.jpeg
5) Parts of an avalanche
http://www.uoregon.edu/~opp/snow/avalanche/aval%20types%20pics/slab_avalanche_parts.gif
