Flow failure down a hillside slope on the Nunez Ranch, east of Half Moon Bay. San Mateo County, California. 1906.

Album caption: Flow failure down a hillside slope on the Nunez Ranch 4 miles (6.4 km) east of Half Moon Bay. Note the man standing at the base of the deposited debris and a second man standing on the lower edge of the cavity at the top of the slide. Additional incipient flow failures with much smaller movements also occurred on the convex hill to the left of the principal landslide. Photograph previously published in Lawson and others (1908, pl. 133B) with caption "Earth-flow 4 miles east of Half Moon Bay." San Mateo County, California. 1906. Published as figure 22 in U. S. Geological Survey Professional paper 993. 1978. (Not available from U.S.G.S. Photo Library. Photograph by R. A. Anderson, J.C. Branner colletion, courtesy [...]