What is surface mining Define overburden andspoils. Define open-pit mining and strip
Chapter 14, Problem 7(choose chapter or problem)
What is surface mining? Define overburden andspoils. Define open-pit mining and strip mining,and distinguish among area strip mining, contourstrip mining, and mountaintop removal mining.Describe three harmful environmental effects of surfacemining. What is subsurface mining? What isacid mine drainage? Define tailings and explainwhy they can be hazardous. What is smelting andwhat are its major harmful environmental effects?
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