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Lake Superior agates

Every Yooper Hub story tagged Lake Superior agates, newest first, with its sources and corrections intact.

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The latest Lake Superior agates story

Jul 3, 20263 min read

The Rocks Yoopers Hunt on Lake Superior Beaches Are a Billion Years Old

Lake Superior agates are the U.P.'s favorite beach treasure, banded stones about a billion years old. How they formed, and how to spot one on the shore.

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