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.

Color image of a Northwest Orient Airlines menu, c.1970.

Northwest Orient Airlines menu

Northwest Orient Airlines menu, c.1970.

Northwest Airlines

A few months before aviator Charles Lindbergh made his record-breaking transatlantic flight, Northwest Airways, Inc. began carrying airmail between the Twin Cities and Chicago. As Northwest Airlines, Inc., the company became a major international carrier before financial troubles forced its merger with Delta Air Lines, Inc. in 2008.

Black and white photograph of the Kennedy Mine, Cuyuna Range, c.1920. Photographed by the Aitkin Independent Age.

Kennedy Mine, Cuyuna Range

Kennedy Mine, Cuyuna Range, c.1920. Photographed by the Aitkin Independent Age.

Black and white photograph of a stockpile or iron ore at Deerwood on the Cuyuna Iron Range, c.1918.

Stockpile of ore, Cuyuna Range, Deerwood

A stockpile or iron ore at Deerwood on the Cuyuna Iron Range, c.1918.

Black and white photograph of Cuyler Adams, c.1915. Photographed by Lee Brothers.

Cuyler Adams

Cuyler Adams, c.1915. Photographed by Lee Brothers.

Black and white photograph of a train carrying first shipment of iron ore from the Kennedy Mine on the Cuyuna Iron Range, 1911.

Train carrying first ore shipment from the Cuyuna Range

Train carrying first shipment of iron ore from the Kennedy Mine on the Cuyuna Iron Range, 1911.

Map showing the locations of the Vermillion, Mesabi, and Cuyuna Iron Ranges of Minnesota.

Map of Iron Ranges in Minnesota

Map showing the locations of the Vermillion, Mesabi, and Cuyuna Iron Ranges of Minnesota.

Cuyuna Iron Range

The Cuyuna Iron Range is a former North American iron-mining district about ninety miles west of Duluth in central Minnesota. Iron mining in the district, the furthest south and west of Minnesota’s iron ranges, began in 1907. During World War I and World War II, the district mined manganese-rich iron ores to harden the steel used in wartime production. After mining peaked in 1953, the district began to focus on non-iron-mining activities in order to remain economically viable.

Black and white photograph of three West Publishing Company employees, c.1965.

Four West Publishing Company employees

Four West Publishing Company employees, c.1965.

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