Black and white photograph of a wall of a poorly kept flour mill with accumulations of flour webbed by a flour moth. U.S. Department of Agriculture, 1913.

Flour-moth-infested mill

Portion of a wall of a poorly kept flour mill with accumulations of flour webbed by a flour moth. U.S. Department of Agriculture, 1913.

Black and white photograph of a flower show at the conservatory, 1927.

Flower show at the conservatory

Flower show at the conservatory, 1927.

Minnesota State Horticultural Society, Flower Show Judging Brochure

Flower show judging brochure

The Minnesota State Horticultural Society's flower show judging brochure: procedures, standards, scoring, 1963.

Black and white portrait of Floyd B. Olson, c.1909

Floyd B. Olson

Portrait of Floyd Olson, c.1909.

Black and white portrait of Floyd B. Olson, c.1915

Floyd B. Olson

Portrait of Floyd Olson, c.1915.

Black and white portrait of Floyd B. Olson, c.1930.

Floyd B. Olson

Floyd B. Olson, c.1930.

Black and white photograph of Floyd Olson giving a speech, c.1932.

Floyd B. Olson

Floyd Olson giving a speech, c.1932.

Black and white photograph of Floyd Olson seated at a desk, 1936.

Floyd B. Olson

Floyd Olson seated at a desk, 1936.

Color image of a Fluted cake pan, ca. 1900. A forerunner of Dalquist’s Bundt pans.

Fluted cake pan

Fluted cake pan, ca. 1900. A forerunner of Dalquist’s Bundt pans.

Black and white photograph of Fog signal equipment at Split Rock Lighthouse.

Fog signal equipment at Split Rock Lighthouse

Photograph of fog signal equipment (gasoline air compressors) inside Split Rock Lighthouse. Date unknown.

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