Keystone Township, Minnesota

Keystone Township is a township in Polk County, Minnesota, United States. It is part of the Grand Forks-ND-MN Metropolitan Statistical A…
Keystone Township is a township in Polk County, Minnesota, United States. It is part of the Grand Forks-ND-MN Metropolitan Statistical Area. The population was 100 at the 2000 census. Keystone Township was organized in 1881, and took its name from the Keystone state: Pennsylvania.

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Data from: Wikipedia