Where the Earth’s great fires are still unquenched – Black Pearl Geyser, Yellowstone Park, U.S.A.
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Glittering spray from "Constant" Geyser, and steam from "Black Growler," Yellowstone Park, U.S.A.
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Black Growler', whose steam kills trees, and whose roaring startles tourists, Yellowstone Park, U.S.A.
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Glittering spray from 'Constant' Geyser, and steam from 'Black Growler,' Yellowstone Park, U.S.A.
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Black Growler', whose steam kills trees, and whose roaring startles tourists, Yellowstone Park, U.S.A.
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Black Growler', whose steam kills trees, and whose roaring startles tourists, Yellowstone Park, U.S.A.
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Golden Gate, entrance to picturesque ravine of golden rocks - Yellowstone Park, U.S.A.
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Golden Gate, entrance to picturesque ravine of golden rocks - Yellowstone Park, U.S.A.
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Golden Gate, entrance to picturesque ravine of golden rocks - Yellowstone Park, U.S.A.
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Golden Gate, entrance to picturesque ravine of golden rocks - Yellowstone Park, U.S.A.
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Wild Buffalo, One of America’s 'First Families,' at home on a sunny slope, Yellowstone Park, U.S.A.
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Wild Buffalo, One of America’s 'First Families,' at home on a sunny slope, Yellowstone Park, U.S.A.
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Wild Buffalo, One of America’s 'First Families,' at home on a sunny slope, Yellowstone Park, U.S.A.
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Cleopatra Terrace and its mirror like pools - Mammoth Hot Springs, Yellowstone Park, U.S.A.
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Cleopatra Terrace and its mirror like pools - Mammoth Hot Springs, Yellowstone Park, U.S.A.
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Cleopatra Terrace and its mirror like pools - Mammoth Hot Springs, Yellowstone Park, U.S.A.
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How an overflowing spring begins to build a terrace of 'geyserite' deposits, Yellowstone Park, U.S.A.
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How an overflowing spring begins to build a terrace of 'geyserite' deposits, Yellowstone Park, U.S.A.
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A Mountain of 'Petrified Water'- Pulpit Terrace and Mammoth Spring Hotel, Yellowstone Park, U.S.A.
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How an overflowing spring begins to build a terrace of 'geyserite' deposits, Yellowstone Park, U.S.A.
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A Mountain of 'Petrified Water'- Pulpit Terrace and Mammoth Spring Hotel, Yellowstone Park, U.S.A.
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A Mountain of 'Petrified Water'- Pulpit Terrace and Mammoth Spring Hotel, Yellowstone Park, U.S.A.
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A Mountain of 'Petrified Water'- Pulpit Terrace and Mammoth Spring Hotel, Yellowstone Park, U.S.A.
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A Mountain of 'Petrified Water'- Pulpit Terrace and Mammoth Spring Hotel, Yellowstone Park, U.S.A.
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Fort Yellowstone, among the mountains, headquarters of U.S. Troops guarding Yellowstone Park, U.S.A.
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Fort Yellowstone, among the mountains, headquarters of U.S. Troops guarding Yellowstone Park, U.S.A.
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Fort Yellowstone, among the mountains, headquarters of U.S. Troops guarding Yellowstone Park, U.S.A.
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Fort Yellowstone, among the mountains, headquarters of U.S. Troops guarding Yellowstone Park, U.S.A.
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From Yellowstone Park N. through its gateway over Gardiner to Gallatin Range (left) and Buffalo Plateau.
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From Yellowstone Park N. through its gateway over Gardiner to Gallatin Range (left) and Buffalo Plateau.
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