The Tunnels That Provided Flour Power

Its powerful current dropped 70 feet at St. Anthony Falls in what is now Minneapolis, Minnesota. So the Mississippi River attracted big dreams of milling lumber and flour as the city was coming of age in the 1860s.

When Cadwallader Washburn and Charles Pillsbury saw the power of the falls, they decided to build their own flour mills nearby.

Today, the Pillsbury A Mill still stands as an unmistakable reminder of Minneapolis’ milling roots. But the old mill now has a much different purpose, as does a tunnel along the riverbank.

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