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Unnamed hydrothermal feature in far-northern Painted Pools (early & mid-morning, 6 June 2013) 3.jpg - Ser Amantio di Nicolao
Sulfur deposits near a fumarole-750px.jpg - S.L.
Yellowstone National Park (WY, USA), Gibbon Geyser Basin, Artist Paintpots -- 2022 -- 2669.jpg - XRay
Beryl Spring (9 August 2013) 6.jpg - Ser Amantio di Nicolao
Dragon Mouth Spring with partial roof collapse.jpg - SunRuikang
Wyoming - Yellowstone National Park - Mud Volcano - June 1975 (8052175513).jpg - Runner1928
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