Circular pin-back button supporting the Minnesota Vikings professional football team in Super Bowl VIII, 1974. Manufactured by Button House of Winona, Minnesota. The Vikings lost to the Miami Dolphins.
Plastic pin-back button commemorating the participation of the Minnesota Vikings in Super Bowl XI, played against the Oakland Raiders in Pasadena, California, 1977. The Raiders defeated the Vikings 32–14.
Minnesota Western diesel locomotive #51, a Fairbanks-Morse H10-44, ca. 1945–1949. Factory publicity shot from Fairbanks-Morse, the diesel manufacturer.
Map showing three Minnesota–Wisconsin boundaries proposed during the late 1840s. Created by Alan Ominsky and reproduced in Lass, William E., "Minnesota's Separation from Wisconsin," Minnesota History 50 (Winter 1987): 311.