Muscle On Main Street – Maquoketa, Iowa September 5, 2012 September 5, 2012 / EventsWhat: Muscle On Main Street, “Cruise-In With The Coronados”When: Saturday, September 29, 2012 from 6 to 10 P.M., Main Street, Maquoketa, Iowa.*All Cars Welcome. Prizes Awarded For “Best Of Show”.