U. 8. GEOLOGICAL BVRVBY 



BULLCTIN G12 PLATE XLVt 



CAVE ROCK, LAKE TAHOE, CAL. 



The bonch in Iho foreground h a remnant of a former higher shore and I3 now utilized by the road that passes around this side of the lake to Glenbrook and thence over the range 



ar^d down to Carson City. Photo^jraph furnished by Southern Pacific Co, 



