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A bronze plaque was affixed to a building in Two HArbors which housed the offices of John Dwan, an attorney, who was the first secretary of the Minnesota Mining & Manufacturing Co., now the 3M company, in 1902.The firm had its inception on a site at Crystal Bay just east of Silver Bay. Shown left to right are Thomas Dwan, Two Harbors; Ralph Dwan, Washington, D.C.; W. Lorne Fowler, Two Harbors; Mayor David Battaglia of Two Harbors and Lake County Engineer T.G. Odegard, Two Harbors.

Flashback Friday: 3M Birthplace in T.H. Recorded by Plaque

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From the May 21, 1964 issue of the Two Harbors Chronicle & Times

The birthplace of Minnesota Mining & Manufacturing Co., now a titan in American industry, was recorded for posterity in Two Harbors last Thursday with the unveiling of a plaque on a building housing the original office of the company on the northwest corner of the intersection of 2nd Ave. and 6th St. in Two Harbors.


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