Yellowstone National Park
September 25th 2008 On the first evening in the Park I took a guided tour at sunset to Butte which is a hilltop on the eastern side of the caldera rim. I was astounded by the scale of the caldera: in the accopanying photos (1 to 3), which were taken a few days later, almost everything except the most distant peaks are within the caldera. It is elliptically shaped and is some 72 Kms from the southwest to the nort
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