Typed onto a piece of paper attached to the image: "Contemplative smile. Here, Howard Hughes seems in rapt thought during one of the numerous speeches extolling his feat. Probably thinking of the "men who designed and perfected to its present remarkable state of efficiency, the modern American flying machine and equipment." (The quote is from his own official statement to the press.) Credit Lines (ACME) 7/15/38."
'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?].
Note: Illustration on front cover copyrighted and published by Ph. Hake, New York Restaurant: New Waverly Location: Park Avenue, Hot Springs, Arkansas, United States