List of Illustrations ix 



58. Mariposa Grove of Big Trees (Sequoia gigantea) . 192 



59. Crest of Moraine of Wisconsin Stage 195 



60. Old Moraine, Near Wawona Road 199 



61. Lateral Moraine on South Side of Little Yosemite 



Valley 202 



62. Glacial Boulder at Base of Sentinel Dome, Glacier 



Point 205 



63. Sentinel Dome, Massive Granite Rock Showing Ex- 



foliation 206 



64. Storm-scarred Jeffrey Pine, on Sentinel Dome 207 



65. Crumpled and Contorted Chert, Above Ned Gulch, 



Merced Canyon 211 



66. ElCapitan. Massive Granite, a 3,000-foot Cliff . 213 



67. Well- jointed Granite in the High Sierra 214 



68. Glacial Floor and Side of Merced Canyon 215 



69. Tenaya Canyon, from Glacier Point 217 



70. Yosemite Falls, Highest Waterfall in America 220 



71. Little Tujunga Canyon, Los Angeles County 228 



72. Massive Conglomerate, Sandstone and Shale, Escon- 



dido Canyon 239 



73. Coastal Bluffs, Santa Monica 246 



74. Cloister Wing, Mission Inn, Riverside 256 



75. Bunker Hill Dike, near San Bernardino 259 



76. St. Catherine's Well, Mission Inn, Riverside 267 



77. Cross Section Showing Formations at Rancho La Brea 277 



78. Restored Skeleton of Imperial Mammoth, Rancho Le 



Brea 280 



79. Restored Skeleton of American Mastodon, Rancho 



La Brea 284 



80. Simi Oil Field, Ventura County 288 



81. Oil Wells in Whittier Oil Field, near Los Angeles 292 



82. Topatopa Anticline, Ventura County 296 



83. Typical Ore from Mount Gaines Mine 300 



84. Bonanza Ore, from Gold Bug Mine 301 



85. Ore Face in Malvina Mine, Showing Vein Structure 303 



