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surface mining

górn., przem. exploitation à ciel ouvert; exploitation par couches; exploitation par havage
zasob. exploitation à ciel ouvert (oil shale production)
 Angielski tezaurus
surface mining
jubil. Mining that takes place when the stones can be found close to the surface. This type of mining entails little heavy equipment as only the soil and overlying mineral deposits are removed. Surface mining is most commonly used to retrieve coal deposits.
surface mining
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