Frontispiece. Balanced Rock II
Figure
1. John Otto 2
2. John Otto’s Monument 4
3. Map of Colorado National Monument 6
4. Petroglyphs 9
5. Cave 14
6. Independence Monument 19
7. Rock Column of Colorado National Monument 20
8. Geologic Map 22
9. Block diagrams of early Proterozoic events 25
10. Petrified sand dunes 30
11. The Coke Ovens 31
12. Red Canyon 33
13. Thin-bedded Kayenta Formation 34
14. Kayenta Formation 36
15. Gap in the rock record 37
16. Entrada Sandstone 41
17. Moab Member of Entrada Sandstone 42
18. Mottled salmon-and-white Slick Rock Member 43
19. White Entrada Sandstone 44
20. Summerville Formation 46
21. Morrison Formation 48
22. Excavating type specimen of _Brachiosaurus altithorax_ Riggs 51
23. Skeletons of typical dinosaurs of Morrison Formation 52
24. Burro Canyon Formation and Dakota Sandstone 54
25. Mount Garfield 57
26. Photo index map 58
27. Common types of rock folds 62
28. Common types of faults 65
29. Ladder Creek monocline and Redlands fault 66
30. Lizard Canyon monocline 67
31. Kodels Canyon fault 68
32. Kodels Canyon fault 69
33. Geologic structures at Fruita entrance to Colorado National
Monument 70
34. Probable drainage patterns and land forms near the Monument at
four successive stages of development 74
35. Fallen Rock 81
36. Unaweep Canyon 82
37. Redlands fault 89
38. Closeup of updragged Wingate Sandstone along Redlands fault 90
39. Bronze plaque and monument marking the discovery of
_Brachiosaurus altithorax_ Riggs 91
40. Reverse part of Redlands fault 92
41. Northwest end of Redlands fault 93
42. Looking west into Monument Canyon 94
43. Looking west from divide on Broadway 2 miles east of West
Entrance to Monument 95
44. New fill on Rim Rock Drive between two tunnels on west side of
Fruita Canyon 98
45. Fruita Canyon 100
46. Campsites at north end of campground 101
47. Picnic area and parking lot 102
48. Window Rock 103
49. Pipe Organ 104
50. Visitor Center and the Saddlehorn 106
51. Independence Monument 107
52. Ute Canyon 110
53. Cold Shivers Point 112
54. Top of old Serpents Trail 113
55. Looking northeast from old Serpents Trail 114
56. South portal of tunnel through Wingate Sandstone 115
57. Devils Kitchen 117
58. Glade Park fault viewed from the ground 122
59. Glade Park fault viewed from the air 123
60. Ladder Creek monocline and Redlands fault 124
61. Geologic time spiral 126