ace4.org Biscuit Basin, near Old Faithful Area, Yellowstone
main firehole fountain paint pot midway biscuit black sand old faithful


Biscuit Basin is named for the biscuit-shaped formations that used to be in the area, however the 1959 earthquake caused a major geyser eruption in the area which destroyed all of the biscuits Small geyser erupting Boiling mud


Shell Geyser A very red spring


                


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