"Colorado River (Colo.-Mexico)" . . "Maps"@en . . . . "Report upon the Colorado River of the West explored in 1857 and 1858 by Lieutenant Joseph C. Ives, Corps of Topographical Engineers, under the direction of the Office of Explorations and Surveys, A.A. Humphreys, Captain Topographical Engineers, in charge"@en . . . . . . "Electronic books"@en . . . . . . . . . "Report upon the Colorado River of the West, explored in 1857 and 1858 by Joseph C. Ives"@en . . . . . . . . "Southwest, New" . . . . "United States" . .