"ASA:1973-06"@en . . . "The 1973-06 was an ASA National Tour event held at Track::Salem Speedway on May 20, 1973. It was the second of two fifty-lap twins held at Salem on the same day. Jack Shanklin became the first two-time winner in ASA history, holding off Bill Kimmel. The third place finisher was either John or Jerry Mitchell, newspaper reports make it unclear."@en . . "The 1973-06 was an ASA National Tour event held at Track::Salem Speedway on May 20, 1973. It was the second of two fifty-lap twins held at Salem on the same day. Jack Shanklin became the first two-time winner in ASA history, holding off Bill Kimmel. The third place finisher was either John or Jerry Mitchell, newspaper reports make it unclear."@en . .