The Navajo country : a geographic and hydrographic reconnaissance of parts of Arizona, New Mexico, and Utah - Gregory, Herbert E. (Herbert Ernest), 1869-1952. (Washington : Govt. Print. Off., 1916)
Two folded maps in pocket inside back cover.
Bibliography: p. 199-208.
Also available in digital form on the Internet Archive Web site.
Keywords: Arizona -- Description and travel; New Mexico -- Description and travel; Utah -- Description and travel; Water-supply -- Arizona; Water-supply -- New Mexico; Water-supply -- Utah