1991 United States Grand Prix. : 1991 United States Grand Prix. Phoenix, Arizona, U.S A. 8-10 March 1991. Alex Caffi (Footwork A11C Porsche). He failed to qualify. Ref-91 USA 36. World Copyright - LAT Photographic
1991 United States Grand Prix.
Phoenix, Arizona, U.S
A.
8-10 March 1991.
Alex Caffi (Footwork A11C Porsche). He failed to qualify.
Ref-91 USA 36.
World Copyright - LAT Photographic