The number of U.S. metal mines in operation over this time period decreased from 179 to 125, and the number of metal mining employees dropped from 42,202 to 27,230.
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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Mines.
Open cast mines, coal mines, silver mines, land mines.
Utah has many uranium mines but today they are closed.
Nonmetal
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 :)
Now, probably all the uranium mines in Ontario are closed.
paid labourers