Clearlake Oaks in Lake County, California — The American West (Pacific Coastal)

Sulphur Bank Mine

1. Sulphur Bank Mine Marker

Inscription. This sulphur mine also produced quicksilver and became one of most noted producers in world. First worked for sulphur in 1865 and in four years produced total of 2,000,000 pounds. Reopened and developed for quicksilver in 1873 and credited with total output of 92,400 flasks. Was important producer World War I and II. State Registered Landmark No. 428.

Erected 1950 by California Centennials Commission; and County of Lake. (Marker Number 428.)

Topics and series. This historical marker is listed in these topic lists: Industry & Commerce • Natural Resources. In addition, it is included in the California Historical Landmarks series list. A significant historical year for this entry is 1865.

Location. 39° 1.208′ N, 122° 38.925′ W. Marker is in Clearlake Oaks, California, in Lake County. It is at the intersection of Sulphur Bank Drive and California Route 20, on the left when traveling south on Sulphur Bank Drive. Touch for map. Marker is at or near this postal address: 400 Sulphur Bank Dr, Clearlake Oaks CA 95423, United States of America. Touch for directions.

Regionally, this marker is in California’s Wine Country

and on the Coast Ranges.

It is also on the American Pacific Coast.

Globally, it is in North America,

on the Ring of Fire,

in the Pacific Rim,

in the Western Hemisphere,

in the Western World,

and in the Anglosphere.

Historically, it finds itself in what was once New Spain

and also Mexico’s Alta California.

Other nearby markers. At least 4 other markers are within 11 miles of this marker, measured as the crow flies: Ranch House (approx. 3.7 miles away); Lower Lake Stone Jail (approx. 7.9 miles away); Lower Lake Schoolhouse

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(approx. 8 miles away); Site of First Adobe Home, Lake County (approx. 10.9 miles away).

Another marker is no longer nearby. Clearlake Lodge #130 I.O.O.F. (was approx. 7.9 miles away but has been confirmed missing).

Photographed by Craig Baker

2. Sulphur Bank Mine Marker

The marker was on the boulder. It is now missing.

Credits. This page was last revised on December 3, 2024. It was originally submitted on February 2, 2024, by Craig Baker of Sylmar, California. This page has been viewed 307 times since then and 40 times this year. Photos: 1, 2. submitted on February 2, 2024, by Craig Baker of Sylmar, California.