1968 AAU Mr. USA.Chris Dickerson beats a loaded field to win The 1980 California Grand Prix. Robby Robinson, Casey Viator, Samir Bannout and Boyer Coe were other notable competitors. Source: Muscler & Fitness (Issue Aug 1980) Page #10 - Muscle & Fitness (Issue Aug 1980) Page #11 - Muscle & Fitness (Issue Aug 1980) Page #12 - Muscle & Fitness (Issue Aug 1980) Page #13 - Muscle & Fitness (Issue Aug 1980) Page #14 - Muscle & Fitness (Issue Aug 1980) Page #15 - Muscle & Fitness (Issue Aug 1980) Page #186 - Muscle & Fitness (Issue Aug 1980) Page #187 - Muscle & Fitness (Issue Aug 1980)