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Thursday, August 9, 2012

Mining Mag Ad

An advertisement like this might be found in an mining or engineering magazine of about, say, 1900. We who know the game remember that the 'cyanide process' was a profitable way of extracting gold from the tailings of earlier operations. Even today you might see a large pile of crushed rock being sprinkled with a whirlybird. Don't drink that water!
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