DULUTH — About 1.1 billion years ago here, fissures opened in the surface of the earth, depositing lakes of molten rock near what would eventually be the Twin Ports and Lake Superior. This is ...
Sisters Jessica Sander and Jen Majkrzak look for agates in a Carlton County gravel pit. Their dad was an avid agate collector whose home is filled with vases, and even a lamp, of agates. He took ...
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