http://westsonomacounty.blogspot.com/
"the Great Western Mine" Quick Silver Mine / Sweet Water Springs Road, enjoy the video.
Cinnabar, is a form of Mercury that was mined during the Gold Rush. Yes, the timber business and mining in this location, was the start of the population of Guereville. There is another mine near Mt. Jackson.
Rumor has it that there was a Chinese Camp very near...