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Contract Awarded to Dredge Polluted Lake Superior Harbor

Posted on September 12, 2018

Federal officials have awarded a contract to remove copper mine waste from a Lake Superior harbor, where it threatens to damage crucial fish spawning habitat more than a century after companies dumped it into the water.

The U.S. Army Corps of Engineers says Petersen Companies Inc. of Minocqua, Wisconsin, will dredge about 27,500 cubic yards (21,025 cubic meters) of material known as “stamp sands” from in and around Grand Traverse Harbor.

The company also will dredge 80,000 cubic yards (61,164 cubic meters) of the waste from the ancient riverbed area north of Buffalo Reef.

The affected area is in the far northwestern corner of Michigan’s Upper Peninsula.

Source: Herald Leader

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