2024-02-122024-02-1210.15786/13682722https://wyoscholar.uwyo.edu/handle/internal/5715https://doi.org/10.15786/13682722Curious cone of "Grotto" Geyser, formed by deposits from its boiling waters, Yellowstone Park, U.S.A.https://creativecommons.org/licenses/by/4.0/PhotographyStereoscopicYellowstone National ParkWyomingCurious cone of "Grotto" Geyser, formed by deposits from its boiling waters, Yellowstone Park, U.S.A.figure