20190618-Yellowstone_NP-Upper_Geyser_Basin Home
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021-Old_Faithful_is_done 022-now_that_Old_Faithful_is_done,we'll_enjoy_the_Ranger_program 023-mound_is_an_extinct_geyser 024-hump_contains_petrified_tree_stumps_covered_by_sinter-mineral_remnants_of_a_geyser
021-Old_Faithful... 022-now_that_Old... 023-mound_is_an_... 024-hump_contain...
025-hump_is_part_of_Old_Faithful-lodge_in_background 026-Sulfide_Spring_has_PH_of_3_like_vinegar,water_is_7 027-walking_by_Anemone_Geyser 028-Anemone_Geyser
025-hump_is_part... 026-Sulfide_Spri... 027-walking_by_A... 028-Anemone_Geys...