24 / 66
22 Coal
In strip mining, or area mining, which is best for shallow, level coal seams, the
process takes place in a series of strips—long, trench-like holes, one next to another.
A dragline excavator at a coal mine.
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24 / 66
24 / 66
22 Coal
In strip mining, or area mining, which is best for shallow, level coal seams, the
process takes place in a series of strips—long, trench-like holes, one next to another.
A dragline excavator at a coal mine.