The mining history of Negaunee, Michigan, is written across its landscape—both in the deep pits and caving grounds and in the ...
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Daily Maverick on MSNThe geophysical challenge: Why digging right through Earth’s layers remains an impossible ...That’s the antipode, or opposite point on Earth’s surface, from my town. But I only had a garden spade to move the earth. When I hit rock less than 1m below the surface, I couldn’t go deeper. These ...
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