Houpt’s Garage and Conoco Dealership, Callao, Missouri, 1958. Photo courtesy of Margaret I. Waller and the 1958 Callao Centennial Souvenir Book.
Houpt’s Garage and Conoco Dealership, Callao, Missouri, 1958. Photo courtesy of Margaret I. Waller and the 1958 Callao Centennial Souvenir Book.