Effects along the fault trace. San Francisco, California, Earthquake April 18, 1906.

Album caption and index card: California earthquake. Road near Point Reyes Station, offset 20 feet by main fault; looking northwest. The shear zone is here 60 feet wide and traverses a swamp. The road was raised above the swamp by an embankment, and between the limits of the shear zone this embankment settled to the general level of the swamp, about 3 1/2 feet. Photography made April 28 before the road had been repaired. Point Reyes National Seashore,. Point Reyes quadrangle, Marin County, California. 1906. Published as plate 1-A in U.S. Geological Survey Bulletin 324. 1907. Handwritten note on album caption: Figure 313 in Introduction to Geology by E.B. Branson and W.A. Tarr.