1974 USAC Indycar Series.: Michigan, MI, USA. 15th September 1974. Bobby Unser (Eagle-Offenhauser), 3rd position, portrait. World Copyright: Murenbeeld/LAT Photographic. Ref: Colour Transparency.
Michigan, MI, USA. 15th September 1974.
Bobby Unser (Eagle-Offenhauser), 3rd position, portrait.
World Copyright: Murenbeeld/LAT Photographic.
Ref: Colour Transparency.