Guanajuato Silver, Mexico
August 1999 by Edgar B. Heylmun, PhDFor 250 years, the Guanajuato Mining District of Mexico produced 20% of the world's silver. The old colonial city of Guanajuato (pop.100,000) is wedged in a narrow canyon in the Sierra de Guanajuato, at an average elevation of 6,750 feet.
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Even though there has recently been a decline in the prices for most of the precious metals, an increasing number of amateur prospectors are still finding that prospecting for precious metals is an exciting, enjoyable, and sometimes profitable occupation.
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The hope was that a bit of the gold from that famous old pocket mine had worked its way down the slope of the hill and into the gravels Pat and his crew were planning to mine.
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