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Image: Coso Volcanic Field Tumulus
Coso Volcanic Field Tumulus
Coso Volcanic Field Tumulus
Coso Volcanic Field Tumulus

A tumulus in the Coso Volcanic Field, California. This lava was probably more viscous than the lava found in the Hawaii tumuli.

A tumulus in the Coso Volcanic Field, California. This lava was probably more viscous than the lava found in the Hawaii tumuli.

Coso hot springs, black and white image
Coso Hot Springs located at Coso Volcanic Field, CA
Coso Hot Springs located at Coso Volcanic Field, CA
Coso Hot Springs located at Coso Volcanic Field, CA

Coso Hot Springs in Coso volanic fields, Feb 4, 1920.