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many mines closed because the cost of operating them had become too high
Because we did not use as much tin as we mined so the value of tin dropped and people did not want to work in the conditions
philex mines lepanto mines acoje mines pacific chroma international dizon consolidated mining inc.
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Because mines supply the needed raw materials our society uses everyday. The materials that you use everyday.
There are no current gold mines in Antarctica. The continent is covered with ice sheet that make it uneconomic to mine for gold.
pre thatcher labour closed most mines in the uk
See: Factories & Mines in the United Kingdom
Most of them are now closed.
many mines closed because the cost of operating them had become too high
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Utah has many uranium mines but today they are closed.
Trappers were responsible for opening and closing ventilation doors to direct airflow, while putters moved coal carts to the surface using ponies or mechanical haulage. Hewers were miners who manually extracted coal from the seam using picks and shovels.
The Bureau of Mines was closed by the government in early 1996. There is no department that operates it at this point. When it was operating, it was a part of the federal government.Interiorinterior :)
Today all the uranium mines in Colorado are closed.
paid labourers
Now, probably all the uranium mines in Ontario are closed.