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The Arches That Salt Built
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Published May 10, 2025
A layer of salt called the Paradox Formation played a crucial role in the formation of thousands of arches within Utah’s Arches National Park.
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Arkansas Farmers Face Lingering Floodwaters
Published May 2, 2025
Many growers have been forced to replant as a prolonged flood killed off crops in the Arkansas Delta.
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The Making of Ski Troopers at Camp Hale
Published April 28, 2025
A high-elevation camp in the Colorado Rockies served as a training area for specialized high mountain troops who later fought in World War II.
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Moonscapes of Idaho
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Published April 24, 2025
The volcanic features and otherworldly landscape of Craters of the Moon National Monument and Preserve are apt training grounds for planetary exploration.
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Mountains Made of Fossils
Published April 22, 2025
The peaks in Guadalupe Mountains National Park—some of the highest in Texas—are made of a well-preserved fossil reef formed more than 250 million years ago.
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Stirrings at Mount Spurr
Published April 19, 2025
Despite its stately and serene appearance, the Alaskan volcano has shown signs of activity since spring 2024.
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