Stapleton International Airport to the west, 40th Ave to the North, Havana St. to the East, and 37th Ave to the south, with the exception of the Coca-Cola and FedEx warehouses. The City's Department Of Aviation has continuously owned this site even after Stapleton was closed & decommissioned. At the time of its decommissioning, the airport covered 4,700 acres (19 km.) and had the following runways: The terminal had five concourses: Several major air crashes occurred at Stapleton: Stapleton International Airport Stapleton International Airport was the primary airport serving Denver, Colorado, United States from 1929 to 1995. At different times it served as
Whetstone International Airport Whetstone International Airport Whetstone International Airport or Del Bonita/Whetstone International Airport is a public use airport at the Canada–US border, in Port of Del Bonita, Glacier County, Montana, south of Del Bonita, Cardston County, Alberta. The airport is owned by the U.S. state of Montana and is operated by the Montana Department of Transportation Aeronautics Division. It is located northwest of the city of Cut Bank, Montana. The airport has a runway located on the border, with aircraft tie down areas in Canada and in the United States. It is classified as an airport of entry by Nav Canada and