The mid-September floods in northern Colorado sent mud, rocks and debris flowing down mountain slopes and hillsides over an unprecedented area. Rockslides are still a danger in the aftermath of the flood.
via LiveScience.com http://www.livescience.com/40883-landslides-colorado-floods.html
via LiveScience.com http://www.livescience.com/40883-landslides-colorado-floods.html
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