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12-10-2014, 03:55 PM
Thread: Pure iron ore found in Wisconsin!
by Mike Blue- Replies
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Iron and nickel are the two heaviest elements...
Iron and nickel are the two heaviest elements generated by the earth's sun, present in the solar wind. The iron that gets past the magnetic fields and radiation belts is falling to earth all the...
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12-09-2014, 04:56 PM
Thread: Pure iron ore found in Wisconsin!
by Mike Blue- Replies
- 31
- Views
- 3,320
The Sudan Mine in Minnesota is the only deep...
The Sudan Mine in Minnesota is the only deep shaft iron mine in the US. The concentration of ore is such that you can weld directly to the walls of the mine.
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