Category:Slag heaps in the United States

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English: Slag heaps — in the United States.
  • Leftover unprocessed waste materials displaced during mining and piled in 'heaps.'
  • Note: Tailings are piles-heaps leftover after the process of separating the valuable material from the uneconomic portion of an ore.

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Media in category "Slag heaps in the United States"

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