Preliminary report upon a reconnaissance through southern and southeastern Nevada, made in 1869, [electronic resource]/ by Geo. M. Wheeler, Corps of Engineers, U.S. Army, assisted by D.W. Lockwood, Corps of Engineers, U.S. Army.
Electronic text and image data. Ann Arbor, Mich. : University of Michigan, Digital Library Initiatives, 1996. Includes both TIFF files and keyword searchable text. [Making of America] This volume is made possible by a grant from the Andrew W. Mellon Foundation.