The environmental challenges from coal mining include coal mine accidents, land subsidence, damage to the water environment, mining waste disposal and air pollution.
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lation coefficients between the major ions indicate ... than 15 countries in the world, ... hydrogeochemical characteristics of groundwater at the
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What is Gypsum? The White Sands National Monument in New Mexico is the world''s largest gypsum nontoxic mineral .
Each month, all over the world, ASHRAE chapters convene for an informational program featuring a speaker or topic that is key to professionals in the industry.
Identification of hydrogeochemical processes in ... tion range of the other major ions is ... Identification of hydrogeochemical processes in groundwater of ...
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