Color; 55 x 45 cm., on sheet 95 x 47 cm., folded to 24 x 10 cm. Panel title: Las Vegas city map. Copyright held by Cardinal Publishing Company. Relief shown by hachures. Includes illustrations and advertisements. Index, text, illustrations, advertisements, and map of "Lake Mead National Recreation Area, lower basin section" on verso. Original publisher: Cardinal Publishing Company.

Transcribed from back of photo: "Howard Hughes (in cockpit) warms up the XF-11 for its initial test flight. It is one of the world's fastest long-range photographic planes, July 7, 1946."

View of construction of one of the wings of the Hughes Flying Boat in a hangar at the Hughes Aircraft Company, June 1, 1945. Scaffolding is seen underneath the wing.

From the Nan Doughty Photograph Collection (PH-00240)

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The presentation slide reads, "Off-site radiation exposure review project organization chart"

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). The presentation slide title reads, "Underground nuclear test execution sequence"