Black and white photograph of in-progress construction of the Anoka Post Office, July 5, 1916.

Anoka Post Office construction

In-progress construction of the Anoka Post Office, July 5, 1916.

Black and white photograph of in-progress construction of the Anoka Post Office interior, October 2, 1916.

Anoka Post Office Interior Construction

In-progress construction of the Anoka Post Office interior, October 2, 1916.

Anoka State Hospital complex, ca. 1910.

Anoka State Hospital complex

Anoka State Hospital complex, ca. 1910.

Black and white postcard image of the Anoka–Champlin Mississippi River Bridge, originally built in 1884, ca. 1920.

Anoka–Champlin Bridge postcard

Postcard image of the Anoka–Champlin Mississippi River Bridge, originally built in 1884, ca. 1920.

Color image of the Anoka–Champlin Mississippi River Bridge carrying U.S. Route 169, 2013. Photographed by Wikimedia Commons user McGhiever.

Anoka–Champlin Mississippi River Bridge

Anoka–Champlin Mississippi River Bridge carrying U.S. Route 169, 2013. Photographed by Wikimedia Commons user McGhiever.

Black and white photograph of the Anoka–Champlin Mississippi River Bridge 4380, ca. 1930.

Anoka–Champlin Mississippi River Bridge 4380

Anoka–Champlin Mississippi River Bridge 4380, ca. 1930.

This sample of anorthosite was mined by 3M in the corporation’s earliest era. The corporation intended to mine corundum for sandpaper manufacturing, but anorthosite was found instead. This led to a transformation in the corporation’s structure and a transition from mining to manufacturing.

Anorthosite sample from Two Harbors, Minnesota

This sample of anorthosite was mined by 3M in the corporation’s earliest era. The corporation intended to mine corundum for sandpaper manufacturing, but anorthosite was found instead. This led to a transformation in the corporation’s structure and a transition from mining to manufacturing.

Anpetu Tokeca

Anpetu Tokeca

Anpetu Tokeca (also known as John Other Day), a Dakota man who aided settler-colonists during the US–Dakota War of 1862.

Anpetutokeca (Other Day)

Anpetutokeca (Other Day)

Anpetutokeca (Other Day) also known as John Otherday, ca. 1862. Anpetutokeca was a Wahpetunwan Dakota man and a member of the congregation at the Lac qui Parle mission.

Anson R. Hayden

Anson R. Hayden

Anson R. Hayden, ca. 1862.

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