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The New Almaden Quicksilver mines were located in Santa Clara County, a few miles south of San Jose. The New Almaden mine proper, registered in 1845, was older than any gold mine in the state; it operated over a longer period of time, from 1840's to 1940's; and yielded metal of greater total value than any other metal mine in California. It produced over 76 million pounds of quicksilver (mercury).
Source: California. Division of Mines and Geology. Geologic Guidebook of the San Francisco Bay Counties. 1951. pp. 263-70. (551 C12)
Verified by: SY, 8/98
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While the Library has verified the information presented in these files in what it considers to be reliable and authoritative sources, it cannot take responsibility for nor guarantee the accuracy of the information presented.