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Almaden Quicksilver County Park

From Wikipedia, the free encyclopedia

Senador Mine ruins
Senador Mine ruins
Western Poison-oak in autumn, a common hazard in the park
Western Poison-oak in autumn, a common hazard in the park
Bobcat in wintertime, 100 meters from the trail
Bobcat in wintertime, 100 meters from the trail

Almaden Quicksilver County Park is a 4,163 acres (17 km²) park that includes the grounds of former mercury ("quicksilver") mines adjacent to south San Jose, California, USA. The park's elevation varies greatly: the most used entrances (on the east side of the park) are less than 600 feet (183 m) above sea level, while the highest point in the park is over 1,700 feet (518 m) above sea level.

The park is owned by the County of Santa Clara and managed by the Santa Clara County Parks and Recreation Department. Its grounds include the Guadalupe Reservoir and features sweeping views of San Jose. Adjacent to the park is the Almaden Reservoir. The Casa Grande Almaden Quicksilver Mining Museum is located in nearby New Almaden. The park is named after the New Almaden Quicksilver Mines, which were named after the mercury mine in (old) Almadén, Spain, and produced mercury that was used to process ore during the Gold Rush.[1]

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Transcription

Contents

History of the property

The park's New Almaden Mines were in operation from 1847 to 1976. The mines were highly important during the California Gold Rush, since mercury was used to extract gold from ore. By the time Santa Clara County bought the mines in 1976 and ended operations, 83,974,076 pounds (37,388 metric tons) of mercury (worth more than US$70 million) had been extracted.[2]

The remains of a variety of structures left over from the 135 years of mining activity, including housing for the up to 1,800 miners, are scattered about the park, with the biggest concentration at what was known as English Camp, established by Cornish miners in the 1860s. Some structures were built later by the U.S. Army Corps of Engineers and there is a memorial honoring the Civilian Conservation Corps firefighters that were stationed there for a time.

Conversion from mines to park

In the period 1976 to 1978 the county developed a number of new large parks in rapid succession including Grant Ranch Park, Sanborn Park and Almaden Quicksilver County Park. Very soon after buying the mining property in 1976, Santa Clara County began planning for park usage, in an era where the county parks program was aggressively expanding.

The county parks director envisioned a historic park where visitors could experience the mining past and also enjoy the biodiversity of the natural setting. Facilities plans were created[3] and an Environmental Impact Report was prepared.[4]

Principal issues assessed in the park proposal were:

  • biological impacts upon habitat by park users
  • water quality impacts to creeks draining the watershed
  • visual and drainage impacts of road improvements
  • historical analysis of mine usage

See also

References

  1. ^ "About the Almaden Valley". Almaden Valley Community Association. Retrieved Dec 26, 2009.
  2. ^ Martin Cheek, "Mercury Uprising," San Jose Magazine 9, no. 1 (January 2006): 80-85
  3. ^ Almaden Quicksilver Master Plan, County of Samta Clara, Sam Jose, California (1976)
  4. ^ David Crimp, Leda Patmore, C. Michael Hogan, Harry Seidman and Vivian Paparigian, Final Environmental Impact Report, Almaden Quicksilver Park, prepared by Earth Metrics Inc. for the Santa Clara County Parks and Recreation Department (1976)

External links

This page was last edited on 21 August 2017, at 17:50
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