Keywords:Al Unser Sr., Michigan International Speedway, USAC Champ Car, racing
Photo Info
Dimensions872 x 576
Original file size104 KB
Image typeJPEG
Al Unser, Sr. 1970
Al Unser, Sr. in the pits before the USAC Champ Car race as part of the unusual Twin Bill for stock and open wheel racers on July 4, 1970 at Michigan International Raceway in Brooklyn, Michigan.
