New hints for Duluth's harbor rust mystery

Programs & Series | All Things Considered | Topics | Environment | Types | Reports | Interviews | Science | Grants | Legacy Project Work (2023-2024) | Special Collections | Gichigami - Moments along Lake Superior's shore |
May 12, 2008
Bob Kelleher - Reporter, Gene Clark - Interviewee, Jim Sharrow - Interviewee, Randall Hicks - Interviewee
Listen: Rust studies (Kelleher) - 2696
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MPR’s Bob Kelleher reports that Lake Superior's low water in 2007’ revealed something disturbing…gaping rusted holes in much of the underwater steel in the Duluth-Superior harbor. The aggressive corrosion, discovered just a couple of years ago, has caused extensive damage below the water line. The cause is still a mystery, but studies have begun to identify some leading suspects.

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