Dallas/Fort Worth (date unknown) Newark International (circa 1960) ** **Dulles International (circa 1966) Newark International (circa 1960)****** **New York La Guardia (date unknown; late 1960s) Phoenix Sky Harbor (circa 1951)
Dallas/Fort Worth (date unknown) Newark International (circa 1960) ** **Dulles International (circa 1966) Newark International (circa 1960)****** **New York La Guardia (date unknown; late 1960s) Phoenix Sky Harbor (circa 1951)