Color imae of a Northwest Airlines in-flight blanket, manufactured by the North Star Woolen Mill, Minneapolis, c.1939.

Northwest Airlines in-flight blanket

Northwest Airlines in-flight blanket, manufactured by the North Star Woolen Mill, Minneapolis, c.1939.

Black and white photograph of a Northwest Airlines monoplane, 1930. Photographed by Leo J. Kohn.

Northwest Airlines monoplane

Northwest Airlines monoplane, 1930. Photographed by Leo J. Kohn.

Black and white photograph of Northwest Airlines Operations, Holman Field, St. Paul, 1934.

Northwest Airlines Operations, Holman Field

Northwest Airlines Operations, Holman Field, St. Paul, 1934.

Color image of a Northwest Airlines silver anniversary medallion, 1951.

Northwest Airlines silver anniversary medallion

Northwest Airlines silver anniversary medallion, 1951.

Black and white photograph of a Northwest Airlines stewardess, March 3, 1949. Photographed by Philip C. Dittes.

Northwest Airlines stewardess

Northwest Airlines stewardess, March 3, 1949. Photographed by Philip C. Dittes.

Black and white photograph of Northwest Airlines Stratocruiser, c.1955. Photographed by Don Berg Photography.

Northwest Airlines Stratocruiser

Northwest Airlines Stratocruiser, c.1955. Photographed by Don Berg Photography.

Color photograph of a Northwest angle marker and author William E. Lass provides a sense of the marker's scale, 1972.

Northwest Angle marker

Photograph of William E. Lass at boundary monument 925, looking north to the northwest corner of Lake of the Woods. This is the northernmost marker on the meridian strip between Buffalo Bay and Northwest Angle Inlet. Photographed by William E. Lass on May 23, 1972.

Northwest end of Northwest Angle Inlet, Lake of the Woods

Photograph of the northwest end of Northwest Angle Inlet, Lake of the Woods. Photographed by William E. Lass on May 23, 1972.

Northwest fur trade flintlock musket

Northwest fur trade flintlock musket

Flintlock musket of the type used in the Northwest fur trade. Made in London by Barnett between 1850 and 1870 and used in Hudson Bay, Canada.

Black and white photograph of Northwest Orient Airlines hangar and offices at the Minneapolis-St. Paul International Airport, c.1960. Photographed by Marty Nordstrom Photography.

Northwest Orient Airlines hangar and offices at the Minneapolis-St. Paul International Airport

Northwest Orient Airlines hangar and offices at the Minneapolis-St. Paul International Airport, c.1960. Photographed by Marty Nordstrom Photography.

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