Scope and Contents 93 black and white photographs of the 1928 National Air Races held at Mines Field in Los Angeles. The photographs show a variety of airplanes conducting maneuvers, including smoke screens and barrel rolls, as well as a variety of aviation leaders, dignitaries, and Hollywood stars. Highlights include: Two images of a wooden framed building, the clipped caption affixed to the verso reads: "construction work on exposition building" and...