3M museum Two Harbors MN

Did you know?
In 1902 the 3M company (then named The Minnesota Mining and Manufacturing Company) was formed to mine corundum, in order to meet the demand of this natural mineral for abrasives.

The museum is the same building where 3M was founded and was owned by John Dwan, an attorney who leased space to 3M. It is a very small museum but you probably are in the neighborhood to see the lighthouse anyway so pay a visit and learn something about the history of 3M.

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