438 



Index 



Scotty's Castle 360 



Searles Lake 26, 125 



Secondary gold, defined 313 



Sequoia trees 27; in Pliocene time 176 



Shales, organic 131 



Shell mounds 388 



Shore-line highway 412 



Sierra Nevada Range 10, 26, 160, 



165; age of 165; east front of 161; 



history of 167, 175; northern end 



of 96; sequence of events 168; 



summit 395; Tertiary disturbance 



79; tilted block 167; unheaved 73, 



80, 176 



Sink of Mojave River 123 

 Sky Blue Hill 269 

 Snag Lake 103 



Snowfall, on Sierra Range 163 

 Soda Lake 25, 55, 126, 355, 356; 



playa 353 

 Soils classified 325 

 Solfateras 102, 339; and hot springs 



33 



Sonora Pass 29 

 Southern Pacific Railroad 8 

 State Geologic Map 91 

 Stockton 5, 138 

 Striae, glacial 196 

 Structural valley 5, 130, 180, 380 

 Subsequent streams 40, 42, 44, 51, 



149 



Suisun Bay 52 

 Superimposed rivers 45, 47, 49, 55 



Tahquitz Peak 240, 342 

 Tehachapi Pass 365 

 Tejon epoch and subsidence 77 

 Temecula River 252 

 Temescal Canyon 343 

 Terraces, at Bolinas 82; deposits 78; 

 at Fort Ross 83; at Half Moon Bay 



82; in Humboldt County 83; near 

 Santa Cruz 82; wave-cut 335, 

 412; at San Luis Obispo Bay 83; 

 in Quaternary time 82 



Tertiary time, disturbances of 79 



Timber-line 164 



Tioga Pass 27, 163 



Toro Peak 20 



Travertine rock 20, 340 



Tree-house 414 



Trinidad 417 



Truckee River 40 



Tulare Lake 53, 136 



Tungsten 26 



Twenty-nine Palms 24 



Unconformities 63, 65, 66, 246; in 

 San Francisco Bay region 144 



U-shaped valleys 199, 376; how 

 formed 81; in Owens Valley 185; 

 in Sierra escarpment 187 



Valley fill 260, 261 



Velocity of streams 263 



Victorville 352 



Volcanic activity, late Miocene 80 



Volcanic rocks 93 



V-shaped original continent 5 8 



Walker Pass 163, 370 

 Walnut Creek 150 

 Warren's Valley 24 

 Weather maker 164 

 Whitewater River 22 



Yolo Basin 119 



Yosemite Gorge, cause of 208-212 



Yosemite National Park 190 



Yosemite Valley 53 



Yreka 17, 33 



Yucca Valley 24 



