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July/August 2009: In This Issue

Copper-bearing Fissure Veins

The Lake Superior native copper district, also known as the Michigan Copper Country, is located on the scenic, rugged, and isolated Keweenaw Peninsula, which juts out into Lake Superior at the western end of Upper Michigan.
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Minerals of the Silurian Lockport Group of New York State have been of interest to scientists and collectors for more than two hundred years.
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