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Copper mines and mining
History
3
Antiquities
1
Coal mines and mining
1
Copper
1
Copper Miners' Strike, Mich., 1913-1914
1
Economic aspects
1
Economic history
1
Employees
1
Environmental aspects
1
Mineral industries
1
Miners
1
Mining corporations
1
Money
1
Natural resources
1
Political aspects
1
Silver
1
Silver mines and mining
1
Social aspects
1
Social responsibility of business
1
Statistical methods
1
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3Published 2019Ebook
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5Published 2021Ebook
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