| ugb07 | This chart is at the Old Faithful Visitor Center. The geysers are not particularly time-aware; on this day Old Faithful finally erupted at about 11:15. So it's not quite as faithful as people think. |
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| ugb07 | This chart is at the Old Faithful Visitor Center. The geysers are not particularly time-aware; on this day Old Faithful finally erupted at about 11:15. So it's not quite as faithful as people think. |
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