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This Day in Minnesota History

August 25, 1937

Source: 
ISBN: 0873514165
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Congress establishes the state's first national monument: Pipestone National Monument in southwestern Minnesota. Native people, including the Dakota, have mined pipestone (catlinite) from the quarry inside the monument for hundreds of years.

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First published: July 1, 2015
Last modified: August 25, 2023