A black and white aerial view of the Hoover Dam Project area before the construction started. Written on the photo is: "Boulder City, Hoover Dam Project near Las Vegas, Nevada. Oakes #175."
Description given with photograph: "Howard Hughes after landing in New York after a high altitude flight from Los Angeles during which he tested a new two-ounce oxygen mask. With him were (L to R): Charles Perrine, Glenn Odekirk, and Harry Connor."