'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?].
Typed onto a piece of paper attached to the image: "Fete, Hughes, and crew at Luncheon. Left to right at the head of the table are Harry P. Connor, navigator of the Hughes plane, Grover Whalen, Howard hughes, Mayor Fiorello Laguardia of New York City, Thomas Thurlow, Navigator, Richard Stoddart, radio engineer, and Edward Lund, flight engineer. At the bottom center of the photo is William Randolph Hearst, Jr., son of the publisher. 7/15/38"