![](http://www.alamy.com/thumbs/6/25BC346A-B870-42E3-97C0-496704019B21/R42B6G.jpg)
Geyser mound stained with thermophilic microorganisms, Mammoth Hot Springs, Yellowstone National Park.
Size: 5466px × 3640px
Location: USA, North America, Wyoming
Photo credit: © William Sutton / DanitaDelimont / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: algal, america, bacteria, deposit, geothermal, geyser, heat, mat, mineral, north, park, steam, sutton, thermophilic, travertine, usa, wild, william, wyoming, yellowstone