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LYNCH, KY - APRIL 16:  Abandoned coal company structures are seen on April 16, 2012 in Lynch, Kentucky. The historic coal mining town of Lynch once boasted a population of more than 10,000 and was once the largest coal camp in the world. Following the increased mechanization of the coal mining process, the town's population has dwindled to around 820. Two proposed strip mines in the area now potentially threaten the town's water supply.   (Photo by Mario Tama/Getty Images)
LYNCH, KY - APRIL 16:  Abandoned coal company structures are seen on April 16, 2012 in Lynch, Kentucky. The historic coal mining town of Lynch once boasted a population of more than 10,000 and was once the largest coal camp in the world. Following the increased mechanization of the coal mining process, the town's population has dwindled to around 820. Two proposed strip mines in the area now potentially threaten the town's water supply.   (Photo by Mario Tama/Getty Images)

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    White House halts coal mining health study

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White House halts coal mining health study

The Trump administration has halted a study of the health effects of a common mining technique in Appalachia, which is believed to deposit waste containing toxic minerals in ground waters. CNN's Rene Marsh reports.

White House halts coal mining health study

The Trump administration has halted a study of the health effects of a common mining technique in Appalachia, which is believed to deposit waste containing toxic minerals in ground waters. CNN's Rene Marsh reports.