Developing tests………………………………………… 136
Rapid No. 22 in Cataract Canyon…………………………… 140
The Edith in a cataract………………………………… 144
A seventy-five-foot drop in three-fourths of a mile…………. 144
Camp in the heart of Cataract Canyon………………………. 148
Lower Cataract Canyon. Boats tandem……………………….. 152
Beginning of a natural bridge. Glen Canyon…………………. 152
Pictographs in Glen Canyon……………………………….. 158
Cliff ruins near San Juan River…………………………… 162
Rainbow Natural Bridge, looking south……………………… 162