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The Clear Lake Volcanic Field, Cobb Mountain, and Mount Hannah viewed from Mount Konocti.

Detailed Description

From the top of the Clear Lake Volcanic Field's Mount Konocti lava dome complex, several mines exposing hydrothermally altered volcanic rock are visible amidst the farms and vineyards of Lake County. In the distance, Cobb Mountain and Mount Hannah, older volcanic mountains, define the northern edges of The Geysers geothermal area. 

Sources/Usage

Public Domain.

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