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DRUDGE REPORT 2020®
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Some additional lead had been produced as a by-product of silver mining from the Presidio Mine in Presidio County and the Mine in Brewster County, and additional zinc production had come from the Buck Prospect in the Apache Mountains of Culberson County After 1952 no lead or ,..
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High amounts of gases released from plant and animal decaying matter or radioactive rock decay can also result in the pollution of air Collectively, these examples provide a clear picture of some of the natural causes of air pollution which are beyond human control 5 Other Causes..
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