Figure 5.-- Comparison of fallen rocks at toe of talus apron beneath the main-scarp area shown between the arrows in figure 4A. Photograph A was taken by A. E. Farkas (Geocon, Inc., San Diego, Calif.) in October 1989. Photograph B was taken by the authors in September 1992. A few large boulders that fell during this 3-year period are indicated by arrows in photograph B. The approximate camera position is depicted as a circled "5" in figure 6.