File:EchinusGeyser.jpg

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Echinus is the largest acid-water geyser in the Norris Geyser Basin of YNP. Image provided by U.S. Geological Survey.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	16:49, 28 August 2008		160 × 120 (23 KB)	Strieu (talk \| contribs)	Echinus is the largest acid-water geyser in the Norris Geyser Basin of YNP. Image provided by U.S. Geological Survey.

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Camera manufacturer	Canon
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