Yellowstone National Park

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River Valley View

River Stream View

River Steam View

Mud Cauldron

Mud Volcano Parking Lot Steaming Holes

Mud Cauldron

Mud Volcano Gurgling Holes

Sour Lake

Sour Lake Sizzling Edge

Sour Lake Sizzling

Mud Volcano

Mud Volcano

Mud Volcano

Mud Volcano Cave Roof

Sour Lake from Above

Dragon's Mouth Spring Runoff

Dragon's Mouth Spring

Dragon's Mouth Spring

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Mud Volcano Cave Roof

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