3M Plant in Cottage Grove3M, Cottage Grove, Factory, Manufacturing Plant, Minnesota 3M plant in Cottage Grove, Minnesota. Captured on August 14, 2015. © Chad Davis | chad@chaddavis.photography Filed Under: 3M, Cottage Grove, Factory, Manufacturing Plant, Minnesota Related posts: No one voted for Elon Musk! Vermillion Falls at Ardent Mills in Hastings Minnesota Lake St and Dearborn, Chicago Dean E. Smith Center Banner