'United States, Department of the Interior, Stewart L. Udall, Secretary. Bureau of Reclamation, Floyd E. Dominy, Commissioner.' 'Map. No. X-300-738. September 1967.' Scale [ca. 1:1,774,080] (W 119°--W 108°/N 39°--N 32°). Relief shown pictorially. Shows completed, under construction and proposed dams and reservoirs, canals, and aqueducts, power plants, pumping plants, substations, transmission lines, tunnels and siphons. Also shows non-Bureau of Reclamation dams, reservoirs, tunnels, pipelines and irrigated lands. Includes inset map of location of Region 3 and key map of drainage basins. Bureau of Reclamation, [Region 3?].

Text typed onto a piece of paper attached to the image: "Howard Hughes strutting across a New York hotel lobby after completing a Round The World flight. 7-15-38. (Press Association)."