STEP-LIKE EXCAVATION Crossword Clue

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Crossword Puzzle Infos
A step-like excavation is a mining technique known as stope. It involves the removal of ore from an underground mine, leaving behind a series of steps or benches. The ore is then transported to the surface for processing. Stope mining is used in many different types of mines, including coal, gold, and copper. It is a cost-effective method of extracting ore from deep underground.
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