Dry Colorado River bed below the canal, ca.1903 

Canal congested with water from the Colorado River after five unsuccessful attempts at channeling the river, ca.1903 

Canal congested with sediment from the Colorado River after five unsuccessful attempts at channeling the river, ca.1903 

Looking up the Colorado River from an island near where it enters the Imperial Canal, ca.1903 

Entrance to Beltram Slough near the Colorado River, ca.1903 

Men and horses work on the levee on the south bank of the Canal near the Colorado River, ca.1903 

Construction of the Imperial Canal head gate apron on the Colorado River, Sharps, ca.1903 

Construction of the Imperial Canal head gate apron on the Colorado River, Sharps, ca.1903 

Long curving jetty formed from piles on the Colorado River, New Heading, ca.1900-1950 

Bill Williams Fork of the Colorado River, 1900-1950 

The Colorado River in one of the Mojave canyons, California, 1900-1950 

Mesquite forest near the Colorado River, California, ca.1910-1920 

View of the distant Colorado River from Panorama Point, Grand Canyon, 1900-1930 

Large group of men working on a new headgate on the Colorado River, ca.1905 

Colorado River near Drennen's Mill, 1900-1950 

The unsuccessful Coffer Dam under construction at the Lower Intake of the Colorado River, ca.1903 

Small ferry boats moored along the Colorado River near Giers, California, 1906 

Distant view of the Bass Ferry crossing the Colorado River, Grand Canyon, ca.1900-1930 

Colorado River, from the Hance Trail, Grand Canyon, looking east, 1900-1930 

View of the Colorado River looking west from Bass Mystic Spring Trail, Grand Canyon, 1900-1930