Viii LIST OF ILLUSTRATIONS. 
Figure 47. Cave Lake in Kanab Canon . To face page 133 
48. Cation in Escalante Basin To face page 137 
49. Tower at the niouth of the Dirty Devil River To face page 141 
50. Bad-land Mountains, near Black's Fork To face page 151 
51. Generalized section through the Uiuta Mountains To face page 155 
52. Northern slope of the Uinta Mountains To face page 158 
53. A Diaclinal Valley To face page 160 
54. A Cataclinal Valley '. To face page 160 
55. An Anticlinal Valley, with section To face page 160 
56. A Synclinal Valley To face page 160 
57. An Anaclinal Valley : To face page 160 
58. A Monoclinal Valley , To face page 160 
59. Horseshoe Canon To face page 162 
60. Alcove Lands and Bad-lands, south of the Uinta Mountains To face page 167 
61. Bird's-eye View of the Terrace Canons To face page 170 
62. Bird's-eye View of the Tooni'-pin Wu-near' Tu- weap' To face page 175 
63. View of Marble Canon To face page 180 
64. Section across a simple fault ...., To face page 183 
65. Section across a fault with walls widely separated To face page 183 
66. Section across a fault with walls widely separated To face page 183 
67. A Monoclinal Fold To face page 184 
68. Fault and fold in same cross section , To face page 184 
69. Section across a branching fault To face page 184 
70. Fault with thrown beds flexed downward To face page 184 
71. Fault with thrown beds flexed upward To face page 184 
72. Bird's-eye view of the Grand CaSon . , To face page 187 
73. Section across the plateaus north of the Grand Cafion To face page 190 
74. Bird's-eye view of cliffs of erosion To face page 190 
75. Bird's-eye view of cliffs of erosion thrown forward by a fault To face page 191 
76. Section through the Echo Cliffs , To face page 191 
77. Section across House Eock Valley To face page 192 
78. The Grand Cafton of the Colorado To face page 195 
79. Section of wall in the Grand Canon To face page 212 
80. Tholomomys Chusius To face page 265 
