ILLUSTRATIONS
Reading edition
The Salton Sea in August, 1906 Frontispiece
Opposite page
Relief Map of Imperial Valley 19
A Part of Colorado River Watershed 31
Agricultural Lands Eroded 57
A Flood Waterfall 58
Nearer View of Flood Cataract 58
Channel Cut by Runaway River 60
Hind-Clarke Dam 89
Railroad Track on Reconstructed Levee 89