Dickinson Theodore Roosevelt Regional Airport (IATA: DIK, ICAO: KDIK, FAA LID: DIK), formerly Dickinson Municipal Airport, is six miles south of Dickinson, in Stark County, North Dakota. It is owned by the Dickinson Airport Authority. The airport serves western North Dakota, eastern Montana and northwest South Dakota, home to Theodore Roosevelt National Park. The airport sees one airline, SkyWest Airlines operating on behalf of United Express, flying an Bombardier CRJ200 to Denver; Delta Connection flew to Minneapolis-St. Paul until November 30, 2015.
https://en.wikipedia.org/wiki/Dickinson_Theodore_Roosevelt_Regional_Airport