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Gold and other precious metals
por
Discusses the desirable properties and uses of gold, silver, and platinum; describes the nineteenth-century gold rush; discusses techniques of mining and refining gold; and presents an amateur's guide for gold prospecting.
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Discusses the desirable properties and uses of gold, silver, and platinum; describes the nineteenth-century gold rush; discusses techniques of mining and refining gold; and presents an amateur's guide for gold prospecting.
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"Discusses the desirable properties and uses of gold, silver, and platinum; describes the nineteenth-century gold rush; discusses techniques of mining and refining gold; and presents an amateur's guide for gold …"
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