NPS Except on warm summer afternoons, steam frequently fills the cavern of this intriguing hot spring. Visitors must wait patiently for a glimpse of the sulfur-lined cave and boiling green water. |
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NPS Except on warm summer afternoons, steam frequently fills the cavern of this intriguing hot spring. Visitors must wait patiently for a glimpse of the sulfur-lined cave and boiling green water. |