PLATE 16 

A. The Rift valley between San Andreas Lake and Crystal Springs, looking southwest. Fault-trace parallel to fence 
about 50 feet beyond. Auxiliary cracks in the foreground at an angle of 40° with it. J.C.B. 

B. The Rift valley 5 miles west of Stanford University. Fault-trace in foreground. Per J.C. B. 
