1974 USAC Indycar Series.: 1974 USAC Indycar Series. Ontario, California, USA. 3rd-10th March 1974. Bobby Unser (Eagle-Offenhauser), 1st position. World Copyright: Murenbeeld/LAT Photographic
1974 USAC Indycar Series.
Ontario, California, USA. 3rd-10th March 1974.
Bobby Unser (Eagle-Offenhauser), 1st position.
World Copyright: Murenbeeld/LAT Photographic