The Sponge, Upper Geyser Basin, Yellowstone National Park, Wyo Postcard series number: 10719 First appearance of 'Phostint' tradename.; The Sponge, Upper Geyser Basin, Yellowstone National Park, Wyo.
Size: 5441px × 3675px
Photo credit: © Bravo Images / Alamy / Afripics
License: Licensed
Model Released: No
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