The Romance of the Colorado River Frederick Samuel Dellenbaugh

Excerpt from 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

Early in 1871, when Major Это и многое другое вы найдете в книге The Romance of the Colorado River (Frederick Samuel Dellenbaugh)