An image of Parker Dam on the Colorado River at the California-Arizona border, 155 miles downstream from Hoover Dam. Parker Dam is commonly referred to as "the deepest dam in the world" because 73% of the dam's structural height is positioned below the original river bed. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

The black and white view of the Lockheed 14 aircraft preparing for a part of Howard Hughes' Around the World flight. Description printed on photograph's accompanying sheet of paper: "Howard Hughes world flight plane in S. Paul, Minn., for 33-minute stop before last leg of flight back to New York."

The black and white view of Howard Hughes sitting in the Northop Gamma Racer in New York. Text printed on a card included with the image: "Hughes sets new Miami-New York record Howard Hughes, Millionaire flier and pictured in the cockpit of his low-wing Northrop all-metal, plane, shortly after landing in New York, April 21st, 4 hours and 22 minutes after having taken off from Miami, Fla. He had beaten the record established by Jimmy Wedel in July 1933, by 36 minutes."

The black and white view of radio operators assisting Howard Hughes on his flight. Text printed on accompanying paper strip: "Keeping in touch with Hughes' flight. L to R: Standing -- Charles Perrine and Al Lodwick. Seated are radio operators Gordon Gregory and Gus Kovatz. 7/13/38 Press Association."

From the Nan Doughty Photograph Collection (PH-00240). Clara at age 16.