The romance of the Colorado River : the story of its discovery in 1540, with an account of the later explorations, and with special reference to the voyages of Powell through the line of the great canyons (1903)
Dellenbaugh, Frederick Samuel, 1853-1935 · New York ; London : G.P. Putnam's Sons · leaf 14
Looking up the Bright Angel Trail. .. is one of thr -nodern trails into the Grand Canyon, which at this point is some 6000 feet deep. From water-colour sketch by Thomas Moran, N.A.
Colorado River (Colo.-Mexico) · Grand Canyon
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
![An illustration from Picturesque Tour from Geneva to Milan, by way of the Simplon: illustrated with thirty six coloured views ... engraved from designs by J. and J. [or rather, G. and G.] Lory ... and accompanied with particulars historical and descriptive by Frederic Schoberl. [With a map (1820)](https://img.insideoutlibrary.com/img/200/bl-bl_001388488_0-166-1.webp)
