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A mostly green region of California in interrupted by a black bit of land labeled burnt lava flow. Directly above that with some foliage between is a gray area labeled Glass Mountain. To the left of glass mountain is more foliage and another gray area labelled Little Glass Mountain. Medicine lake also sits equidistant between the two mountains.

Lava Flows of the Sáttítla Highlands

This U.S. national monument, rich in geological and cultural heritage, displays Northern California’s fiery past.

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