Landslide, Zion National Park, Utah
R.L. Schuster U.S. Geological Survey
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Copyright Information: All images are in the public domain and available for free. If you use this image, credit NOAA/NGDC, R.L. Schuster, U.S. Geological Survey.
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In April, 1995, a landslide blocked the road leading into Zion Park Lodge. One hundred people were stranded for two days, because this road was the only access to and from the lodge.
Image Credit: R.L. Schuster. U.S. Geological Survey
Rockfalls and Slides
The slopes above streams and rivers are subjected to a variety of processes that cause them to recede and retreat from the river or stream channel. These processes, collectively called mass wasting, can be classified according to rapidity of movement and according to the type of materials that are transported.
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