Breaking the Wilderness / The Story of the Conquest of the Far West, From the Wanderings of Cabeza de Vaca, to the First Descent of the Colorado by Powell, and the Completion of the Union Pacific Railway, With Particular Account of the Exploits of Trappers and Traders

by Frederick Samuel Dellenbaugh

[114] For a list of the canyons in their sequence, with declivity, altitudes, height of walls, etc., see Appendix, The Romance of the Colorado River, by F. S. Dellenbaugh.

[115] After this was written Sumner died—in 1907.

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The Romance of the
Colorado River : : :

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A Complete Account of the Discovery and of the Explorations from 1540 to the Present Time, with Particular Reference to the two Voyages of Powell through the Line of the Great Canyons

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By Frederick S. Dellenbaugh

8o, with 200 Illustrations, net, $3.50. By mail, $3.75

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