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Task force considers options for saving Lake Superior reef

Posted at 8:35 PM, Jul 16, 2019

LANSING, Mich. — A government task force is considering three ways to deal with mining waste rock that threatens to smother a natural reef in Lake Superior off the Keweenaw Peninsula.

The Buffalo Reef Task Force has scheduled a public meeting for July 31 in Lake Linden to discuss the options.

Waste rock called stamp sands were dumped into the lake during the copper mining era a century ago.

Waves have slowly been carrying them toward the reef, a crucial spawning area for whitefish and lake trout near the mouth of Big Traverse River.

Federal, state and tribal agencies have narrowed a list of options to three. Each offers a different strategy for dredging and disposing of the stamp sands.

A detailed analysis of the options will begin this fall.

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