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coal mining methods underground mining (or coal seams) typical of the united states. although widely used in other countries, longwall mining has only recently become important in the united states, its share of total underground coal production longwall mines need continuous mining machines (similar to those used in room
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the guardian view columnists letters at least 900 gold miners who were trapped in a south african mine for more than 24 hours after a power outage were safely evacuated on friday morning
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harmony gold mining company ltd. canada based gold miner declined to a loss per share of 8 cents from 7 cents for the current fiscal year over the last 60 days. on average, the full strong
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gold mining has a long history in alaska, beginning with the klondike gold rush at the end of the 1800s. even today there exist a variety of placer mining operations ranging from large commercial placer mines to stream panning by tourists.
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· 950 gold miners trapped underground in south africa by a storm had prevented lifts from bringing the night shift to the surface at the beatrix gold mine, in the small town of theunissen near
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do people make a living gold mining? yes, some do. setting things up, the whole nine yards. but one thing i won't do is guarantee you'll make a living at gold mining. most miners struggle to make a living did you know that the average daily take in gold of an experienced placer gold miner in the lower 48 is 1 3 pennyweights of gold
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