1. National Park Service; Yosemite National Park; El Portal; California; USA; 95318
2. Department of Geology and Geophysics; University of Hawaii; Honolulu; Hawaii; USA; 96822
3. U.S. Geological Survey; Landslide Hazard Program; Menlo Park; California; USA; 94025
4. U.S. Geological Survey; Landslide Hazard Program; Golden; Colorado; USA; 80225