Howard Hughes (left) Noah Dietrich at a Hughes Tool Company celebration in Houston, Texas in 1939.

Long shot of the Lost City site (Pueblo Grande de Nevada), near Overton, Nevada, with the northwest arm of Lake Mead in the distance. The area is near the ruins of St. Thomas, Nevada, another nearby extinct town, submerged by Lake Mead.

Description given with photograph: "Hughes sets new transcontinental transport mark. Floyd Bennet Field, NY--- Howard Hughes, millionaire flier, setting his famous round-the-world transport plane down here, early August 20th, after a record-smashing flight from Los Angeles. Hughes and three companions completed the trip in 10 hours 32 minutes and 20 seconds, shattering the record of 11 hours and five minutes set four years ago by Tommy Tomlinson. The flight was made most of the way in the substratosphere at an average altitude of 17, 000 feet. Credit Line ACME."