Monday, April 20, 2015

California Historical Landmark #428

Working out of St. Helena from January through November of 2015, I have started exploring California Historical Landmarks in Napa, Sonoma and Lake Counties, including: Site of Stone and Kelsey Home [#426], The Battle of Bloody Island [#427], Sulphur Bank Mine [#428], Lower Lake Stone Jail [#429], Stone House [#450], Old Bull Trail Road and St Helena Toll Road [#467], Chiles Grist Mill [#547], Schramsberg [#561], Charles Krug Winery [#563], Site of York's Cabin [#682], Site of Hudson Cabin [#683], Sam Brannan Store [#684], Sam Brannan Cottage [#685], Site of Kelsey House [#686], Beringer Brothers Winery [#814], Old Lake County Courthouse [#897], Petrified Forest [#915] and Litto's Hubcap Ranch [#939]. I visited all seven of the California Historical Landmarks in Lake County and finished visiting all of the Napa landmarks.

Sulphur Bank Mine
California State Historical Landmark #428

See this location on Yahoo Maps in Flickr
See this location on Google Maps

This landmark is located at the intersection of State Highway 20 and Sulphur Bank Road, 1.5 miles south of Clearlake Oaks, California. There are 6 other California State Historical Landmarks in Lake County. The GPS coordinates for this location are 39°01'12.4"N 122°38'55.7"W.

The plaque is missing.

This sulphur mine also became one of the most noted quicksilver producers in world. First worked for sulphur in 1865, in four years it produced a total of 2,000,000 pounds - reopened and developed for quicksilver in 1873, it is credited with total output of 92,400 flasks, and was an important producer in World Wars I and II.

California Historical Landmark #428

California Historical Landmark #428

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