1960 sports cars at Shelton, WA

 From the April 8, 10 and 11, 1960 Olympia Olympian.

 

1971 racing results from a Tacoma newspaper

From the July 26, 1971 Tacoma News Tribune. 

Shelton, sports cars, 1967

Sports cars on an airport circuit near Seattle, 1967. From the June 17, 1967 issue of Competition Press.