1991 United States Grand Prix. : 1991 United States Grand Prix. Phoenix, Arizona, U.S A. 8-10 March 1991. Ayrton Senna (McLaren MP4/6 Honda) leads Alain Prost (Ferrari 642), Nigel Mansell, Riccardo Patrese (both Williams FW14 Renault's), Gerhard Berger (McLaren MP4/6 Honda), Jean Alesi (Ferrari 642) and Nelson Piquet (Benetton B190B Ford) at the start. Ref-91 USA 08. World Copyright - LAT Photographic
1991 United States Grand Prix.
Phoenix, Arizona, U.S
A.
8-10 March 1991.
Ayrton Senna (McLaren MP4/6 Honda) leads Alain Prost (Ferrari 642), Nigel Mansell, Riccardo Patrese (both Williams FW14 Renault's), Gerhard Berger (McLaren MP4/6 Honda), Jean Alesi (Ferrari 642) and Nelson Piquet (Benetton B190B Ford) at the start.
Ref-91 USA 08.
World Copyright - LAT Photographic