1991 United States Grand Prix. : 1991 United States Grand Prix. Phoenix, Arizona, U.S A. 8-10 March 1991. Nelson Piquet (Benetton B190B Ford) 3rd position. Ref-91 USA 13. World Copyright - LAT Photographic
1991 United States Grand Prix.
Phoenix, Arizona, U.S
A.
8-10 March 1991.
Nelson Piquet (Benetton B190B Ford) 3rd position.
Ref-91 USA 13.
World Copyright - LAT Photographic