The Romance of the Colorado River / The Story of its Discovery in 1840, with an Account of the Later Explorations, and with Special Reference to the Voyages of Powell through the Line of the Great Canyons

by Frederick Samuel Dellenbaugh

[1] The name Green River was used as early as 1824, and was probably derived from the name of the early trapper. Till about 1835 it was usually called by the Crow name, Seedskeedee.

Scale of this reduction about 8 miles to 1 inch.

Flaming Gorge, Green River. Beginning of the Canyons.
Picture just taken inside the entrance. Walls 1300 feet.
Photograph by E.O. BEAMAN, U.S. Colo. Riv. Exp.

Red Canyon at Low Water.
Length 25 miles. Walls 1800 to 2500 feet high. Average width of river, 250 feet.