History of the United States. 20th century. In 1932 Paul T. Carr built a service station which in 1968 Bill Wallis converted into the first "Mobil" station (first office of Wallis Oil Company). Murals evoking that event. From right to left; first panel: Mr. Wallis at the service station promotion with the children of the village; central panel: Mr. Wallis with his 1966 Stingray Corvette at the station during the 1970s; third panel: vintage Highway patrol car and trooper assisting a motorist. By Ray Harvey (1926-2011). Series of murals depicting historical scenes of both local and national themes. Cuba, State of Missouri, United States.