IMG_5542.JPG4 viewsVeteran Geyser; Back Basin, Norris Geyser Basin.
IMG_5604.JPG4 viewsYellowstone Lake shoreline between Fishing Cone and Big Cone Geysers; West Thumb Geyser Basin. Color is produced by microorganisms thriving in the hot water.
IMG_5605.JPG4 viewsThermophiles, Black Pool; West Thumb Geyser Basin.
IMG_5610.JPG4 viewsBlack Pool; West Thumb Geyser Basin.
IMG_5627.JPG4 viewsBlack Pool; West Thumb Geyser Basin.
IMG_5632.JPG4 viewsBlack Pool; West Thumb Geyser Basin.
IMG_5643.JPG4 viewsTwin Geysers; West Thumb Geyser Basin.
IMG_5647.JPG4 viewsTwin Geysers; West Thumb Geyser Basin.