ILLUSTRATIONS

The Grand Canyon near the mouth of Ha Va Su Creek Frontispiece

After a difficult picture. E. C. Kolb on rope………………. 2

In the Grand Canyon near the Little Colorado……………….. 6

The start at Green River, Wyoming…………………………. 10

Fire Hole Chimneys………………………………………. 10

A typical butte formation………………………………… 14

Boats and crew. Photo taken in the Grand Canyon…………….. 18

Skeleton found in the Grand Canyon………………………… 22