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Flooding on the White River
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Published April 26, 2008
Meandering across a wide, relatively flat plain, the White River of Arkansas is no stranger to flooding. With regularity, spring rains push the river over its banks, inundating the flood-adapted forest that surrounds it. The river reached its fifth highest crest of 33.78 feet on April 19, 2008.
Related images:
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Burn Scar Near Fort Carson, Colorado
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Published April 24, 2008
A fast-moving brushfire raced across the Colorado landscape near Fort Carson in mid-April 2008.
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Lonar Crater, India
Published April 13, 2008
India’s Lonar Crater began causing confusion soon after it was identified. Lonar Crater sits inside the Deccan Plateau—a massive plain of volcanic basalt rock leftover from eruptions some 65 million years ago. Its location in this basalt field suggested to some geologists that it was a volcanic crater. Today, however, Lonar Crater is understood to result from a meteorite impact that occurred between 35,000 and 50,000 years ago.
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Canyons of the Andes Mountains, Southern Peru
Published April 10, 2008
In the arid terrain of the western slopes of the Andes Mountains in southern Peru, very little vegetation exists to soften or obscure the rugged topography. In the central part of the state of Ayacucho, pictured in this satellite image, the mountains are dramatically sliced by dozens of nearly straight, parallel canyons that point southwest toward the Pacific coast.
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Spider Crater, Western Australia
Published March 30, 2008
Spider Crater rests in a depression some 13 by 11 kilometers (8 by 7 miles) across. Meteorite craters often have central areas of uplift, and Spider Crater fits this pattern. Spider Crater sits in a depression and has a central uplift area characteristic of impact craters, it shows extreme differences in erosion, giving it a unique appearance.
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