Site information:

Mine located 12 miles from this plaque, commemorated by #339-1.  This site really should just be a second plaque for the 339-1 site, but it is registered separately for some reason.

37.174015,-121.824781

Plaque information:

State plaque located on E side of Monterey Rd, between Grandwell Way and Flintwell Way, San Jose

37.248476,-121.790102

Plaque text:

New Almaden Quicksilver Mine

From this cinnabar hill the Indians used pigment for paint. Mercury was mined, 1845. Gold discovery made mercury indispensable and the mine became the most productive in America, became world famous. It sold for $1,700,700 in 1864.

California Department of Public Works - Division of Highways.

OHP description:

The Indians used pigment from this cinnabar hill for paint. Mercury was mined as early as 1845. The gold discovery made mercury indispensable, and the mine, the most productive in America, became world famous. It sold for $1,700,700 in 1864.

Registered 8/8/1939