05857.jpg
Geyser in Sulfur Springs area;
Mud Volcano area;
RG Johnsson;
1963
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05858.jpg
Geyser in Sulfur Springs area;
Mud Volcano area;
RG Johnsson;
1963
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05860.jpg
Sulphur Spring (also known as Crater Hills Geyser), Crater Hills area, Hayden Valley;
Mud Volcano area;
RG Johnsson;
1963
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05861.jpg
Sulphur Spring (also known as Crater Hills Geyser), Crater Hills area, Hayden Valley;
Mud Volcano area;
RG Johnsson;
1963
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06683.jpg
Crater Hills Geyser;
Mud Volcano area;
J Schmidt;
1977
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06684.jpg
Crater Hills Geyser;
Mud Volcano area;
J Schmidt;
1977
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07493.jpg
Sulpher Cauldron area;
Mud Volcano area;
J Schmidt;
1977
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07494.jpg
Sulpher Cauldron area;
Mud Volcano area;
J Schmidt;
1977
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07495.jpg
Crater Hills Geyser;
Mud Volcano area;
J Schmidt;
1977
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07496.jpg
Crater Hills Geyser & Sulphur Mountain;
Mud Volcano area;
J Schmidt;
1977
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15698.jpg
Mud Geyser;
Mud Volcano;
Jim Peaco;
October 1998
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