Geothermal Features
Half of the world's geothermal features are in Yellowstone. Yellowstone is actually the caldera of the largest supervolcano on the continent. Though it has only erupted a few times in the last couple of million years, it is nevertheless considered an active volcano.
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| We visited Old Faithful on one of the two (?) rainy days of our three week vacation |
1 comment:
hi Peter,
fantastic photos! very inspiring for us to go there. maybe in 2018.
Manohar
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