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Pump Geyser (early afternoon, 2 June 2013) 2.jpg - Ser Amantio di Nicolao
Oval Spring in deep drain (early afternoon, 15 May 2015) 2.jpg - Ser Amantio di Nicolao
Jelly Geyser (14 August 2010) 1.jpg - Ser Amantio di Nicolao
Avoca Spring in Biscuit Basin.JPG - Mav
Bathtub Spring at Norris Geyser Basin in Yellowstone.JPG - Mav
Crater of the Grand Geyser, Yellowstone - NARA - 516800.jpg - US National Archives bot
Biscuit Basin 15.JPG - MiguelHermoso
2014 Upper Geyser Basin 02.JPG - MiguelHermoso
Sawmill Geyser (14 August 2010) 2 (13747778104).jpg - Ser Amantio di Nicolao
Sawmill Geyser (8 July 2014) 1 (15260751476).jpg - Ser Amantio di Nicolao
Porkchop Geyser 3.jpg - Ser Amantio di Nicolao
Yellowstone National Park, Wyoming. Mud puffs in Lower Geyser Basin. 1872. U.S. Geological and Geographical Survey of the Territories (Hayden Survey).jpg - Ooligan
Aerial image of Excelsior Geyser (view from the east).jpg - Carsten Steger
Pendant Spring (2 June 2019) 3.jpg - Ser Amantio di Nicolao
Avoca Spring (center) & Silver Globe Pool (bottom) (9 July 2014).jpg - Ser Amantio di Nicolao
Red Spouter (14 August 2010) 04.jpg - Ser Amantio di Nicolao
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