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This tablet commemorates the discovery of gold-bearing quartz and the beginning of
quartz mining in California.
The discovery was made on
GOLD HILL
By George Knight
October, 1850
The occurrence of gold-bearing quartz was undoubtedly noted here and
elsewhere about the same time or previously, but the above discovery created the great
excitement that started the development of quartz mining into a great industry.
The GOLD HILL MINE from 1850 to 1857 is credited with a total production of
$4,000,000.00
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