Figure 1 drawing of Tunnel 15. The tracking of each rock slide.
Entry/Object ID
PSDA1287
Description
"After the 1926-27 storms, slides occurred at the east end of Tunnel 15, and south of the
track. On March 2nd, two slides occurred on the east side of
Tunnel 15 draw. These are show as Slide 1 and Slide 2 in Figure 1."
Drawing of the various slides that happened prior to the collapse and slide of tunnel 15.