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KAZ Minerals | Open Pit Mining in Kazakhstan and Kyrgyzstan
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https://www.treehugger.com/what-is-open-pit-mining-definition-and-environmental-impact-5219892
What Is Open-Pit Mining? Definition and Environmental Impact
Open-pit mining is a type of surface mining used to extract coal, gold, and other minerals. It creates immense water and air pollution, disfigures landscapes,...
open pit miningdefinition