1971 Questor Grand Prix.: Ontario Speedway, California, USA. 24th - 28th March 1971. Mario Andretti (Ferrari 312B), 1st position, podium. World Copyright: LAT Photographic. Ref: QU 71 04
Ontario Speedway, California, USA. 24th - 28th March 1971.
Mario Andretti (Ferrari 312B), 1st position, podium.
World Copyright: LAT Photographic.
Ref: QU 71 04