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.
Louisville International Airport Louisville International Airport (IATA: SDF, ICAO: KSDF, FAA LID: SDF) is a public and military use public airport centrally located in the city of Louisville in Jefferson County, Kentucky, United States. The airport is situated on approximately 1500 acre and has three runways. Its IATA airport code, SDF, is based on the airport's former name, Standiford Field. Although it currently does not have regularly-scheduled international passenger flights, it is a port of entry, as it handles numerous international cargo flights.