
Reduction Works Detail. Almaden Quicksilver Park. June 4, 2005. © Copyright Dan Mitchell.
The Reduction Works is high on a ridge on the Castillero Trail at Almaden Quicksilver Park. This is where, as I understand it, cinnabar was refined to extract mercury. The Reduction Works building still stands in a state of benign neglect. In other words, it is being left to the elements.
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