Thinking West: Mining Life in California (1857)

There seems scarcely a limit to the future production of gold in California. Despite the confident predictions of unsuccessful adventurers that the mines would soon be exhausted, the exact opposite seems to be the case; for deposits are now being reached by the new processes of exploration which stagger all calculations. There is no good reason why the gold region of California should not continue to produce its $50,000,000 per annum at least during the present century, and most probably for a much longer period….” (Harper’s Weekly, 3 October 1857)