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Published February 16, 2014, 12:00 AM

Repaired ore dock

RJS Construction Group’s marine division installed specially coated steel sheet piling in 2013 to shore up the east side of the CN ore dock in Duluth that had become corroded. The project is one of many sheet piling reinforcement and replacement efforts underway in the harbor. The new piling at the CN dock is coated with a white protective material designed to preserve the useful life of the steel. (Photo courtesy of

Rob Karwath)

Read the article: RJS moves closer to marine projects in Superior