‘Dredging crisis’ affects Great Lakes near Sault Ste. Marie
When the 1,000-foot freighter Edgar B. Speer departed Two Harbors earlier this week for a steel mill in Gary, Ind., it left with a load of 60,000 tons of taconite.
That might sound like a lot of iron ore, but it’s 10,000 tons less than a full load. And that’s the problem that shipping industry and port officials are calling the Great Lakes “dredging crisis.”
That much taconite left behind amounts to one entire shift at a large Minnesota taconite plant — enough ore to make 6,700 tons of steel and thousands of automobiles — all because one segment in the Great Lakes shipping system was clogged, said Gregg Ruhl, director of the Duluth-based Great Lakes Fleet that owns and operates the Speer.
While the harbor at Two Harbors is plenty deep, more than the 28 feet needed for Great Lakes freighters at full capacity, there’s a portion of the St. Marys River near Sault Ste. Marie that has filled in with sediment to less than 26 feet deep. To get through that section, ships passing through must be light enough to clear the bottom.
“As a result, we had to leave 10,000 tons of taconite on the dock in Two Harbors,” Ruhl said. Read more at
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