Volcanic activity in southern Idaho was prevalent as recent as 2,000 years ago. The landscape has shifted and pressurized to the point that catacomb-like caves can be found throughout the region.
Volcanic activity in southern Idaho was prevalent as recent as 2,000 years ago. The landscape has shifted and pressurized to the point that catacomb-like caves can be found throughout the region.
Volcanic activity in southern Idaho was prevalent as recent as 2,000 years ago. The landscape has shifted and pressurized to the point that catacomb-like caves can be found throughout the region.
Volcanic activity in southern Idaho was prevalent as recent as 2,000 years ago. The landscape has shifted and pressurized to the point that catacomb-like caves can be found throughout the region.