3M / Dwan Museum

• 203 Waterfront Dr, Two Harbors, MN 55616 | Get Directions
• Phone: 218-834-4898
• Fax: 218-834-7198
  
• lakehist@lakenet.com

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This building is the birthplace of 3M. In 1902, five businessmen embarked on a mining venture and laid the foundation for a successful global corporation. Exhibits include: Attorney John Dwam's recreated office; a history of the company including photos, artifacts and documents; a lab; and hands-on interactive programs and technology applications. The original office building has been restored and is listed on the National Register of Historic Places.