Which construction company built the largest airport in the Upper Midwest region of Minnesota, Iowa, Nebraska, North Dakota, South Dakota, and Wisconsin?
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.
Billings Logan International Airport Billings Logan International Airport (IATA: BIL, ICAO: KBIL, FAA LID: BIL) is two miles northwest of downtown Billings, in Yellowstone County, Montana. It is the second largest airport in Montana, having been surpassed by Bozeman in both number of gates as well as annual enplanements in recent years, and is owned by the city of Billings. The airport is on top of the Rims, a 500 ft cliff overlooking the downtown core. BIL covers 2,300 acres (9.3 sq.km.) of land.