Alexander P. Anderson

Alexander P. Anderson

Photograph of Alexander P. Anderson with the cannon he used to invent puffed grain for cereals. March 1933.

Anderson, Alexander P. (1862–1943)

In December 1901, botanist Alexander Pierce Anderson created puffed rice while experimenting with starch crystals in his laboratory. Although he did not yet realize the significance of his discovery, Anderson's new breakfast food would make him a nationally known figure and the face of a Quaker Oats advertising campaign for almost a decade.

Aerial view, Elevator, Freeport

Aerial view, Elevator, Freeport

An aerial shot of the flour mill, 1962.

Freeport Mill.

Freeport Mill.

The Swany White Flour Mill in 1977.

The Swany White Flour Mill

Before burning to the ground in 2011, the Swany White Flour Mill was the last remaining 19th century mill in use in Minnesota. Located in Freeport, the mill produced white flour, mixes, and other grain products for more than a century. It was a local landmark and was a frequent stop for people interested in the history of milling and bread baking.

Dam, Coon Rapids.

Dam, Coon Rapids.

Coon Rapids Dam in 1920

Construction of the power plant at the north end of the Coon Rapids Dam.

Construction of the power plant at the north end of the Coon Rapids Dam.

Construction of the power plant at the north end of the Coon Rapids Dam in 1914

Coon Rapids Hydroelectric Dam

Between 1913 and 1914 the Coon Rapids hydroelectric dam was constructed with the intent to provide power to Anoka County. The dam was shut down in 1966 after becoming too expensive to operate. It later became part of Minnesota’s environmental control program.

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