An image of Parker Dam on the Colorado River at the California-Arizona border, 155 miles downstream from Hoover Dam. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Description given with photo: "Hull of "Hercules" Starts Journey to Assembly Dock, Culver City, Calif. - The 220-foot-long fuselage of Howard Hughes' gigantic airplane crawls down the highway on truck dollies after leaving the Culver City, Calif., plant. the hull is on its way to the graving dock for assembly at Terminal Island, Calif., 28 miles away. Note size of man on top of hull. NY EUR CAN. Credit (ACME) 6/16/46"