Mirage on the Colorado Desert

This tinted lithograph of “Mirage on the Colorado River” was prepared after an original sketch by ah expedition geologist and artist William P. Blake (1826-1910). It was printed as Plate XII in Volume V, Part II following page 250 in the "Geological Report by W. P. Blake, Geologist and Minerologist to the Expedition," as part of Volume V, Part II of the “Routes in California, to Connect with the Routes near the Thirty–Fifth and Thirty–Second Parallels, Explored by Lieutenant R. S. Williamson, Corps of Topographical Engineers, in 1853."

The volume was printed as part of the "Reports of Explorations and Surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean" in 1856 by A. P. O. Nicholson (1808-1876) of Washington, D.C.

Currently not on view