<p>A cone of  mud that pops out of the middle and builds up the edge.</p>
<p>Thumb Paint Pots, West Thumb Geyser Basin</p>
<ul><li>Keywords: yellowstone national park; thermal features; mudpots; west thumb geyser basin; 20190618-dmr-7829-2</li></ul>
NPS
Taken on 18 June 2019
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