The Minneapolis-St. Paul Airport Trams and the airport also known as World Chamberlain Field were both constructed by whom?
Minneapolis–Saint Paul International Airport Minneapolis–Saint Paul International Airport (IATA: MSP, ICAO: KMSP, FAA LID: MSP) , also known as Wold–Chamberlain Field, is a joint civil-military public use international airport. Located in a portion of Hennepin County, Minnesota, United States, outside of any city or school district, within 10 miles (16 km) of both downtown Minneapolis and downtown Saint Paul, it is the largest and busiest airport in the six-state Upper Midwest region of Minnesota, Iowa, Nebraska, North Dakota, South Dakota, and Wisconsin.
Bernard's Airport Bernard's Airport, also known as Bernard Airport, was a non-commercial airfield in Beaverton, Oregon, United States, from 1928 to 1969. In its early years, it was one of two private airports located in Beaverton, the other being Watts Field, about one-half mile to the south of Bernard's Airport. The Bernard Airport site was redeveloped in 1969 as "Bernard's Beaverton Mall", now known as Cedar Hills Crossing.