Friday, 17 December 2010

Mass Movement

ROCK SLIDES
Rockslides are the most catastrophic type of landslide. They involve a sudden rapid slide of bedrock along planes of weakness. Rockslides are very common in the oversteepened canyons and drainages of Idaho, particularly in those areas like the Salmon River Canyon where more than 5,000 feet of elevation may exist between the ridge tops and the canyon bottoms.

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