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Lake Mead by the Seasons
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Published October 18, 2019
In this reservoir along the Colorado River at the Arizona-Nevada border, water levels rise and fall with the seasons each year.
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High Points of the Sierras
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Published October 15, 2019
Trails up Mount Whitney and across Forester Pass give hikers access high into the California mountain range.
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Landmarks of the Pacific Crest Trail
Published August 28, 2019
Sample some of the most notable locations along the long-distance trail.
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South Africa’s Largest Open-Pit Mine
Published July 30, 2019
The pit near Phalaborwa and Kruger National Park is the most visible sign of a long history of mining in the region.
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The Ups and Downs of Crater Lake
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Published July 29, 2019
Elevation data show the distinct topography of Mount Mazama and the crater lake that fills its caldera.
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Hammerhead Horsts on the Makran Coast
Published July 24, 2019
Striking geology, new ports, and a few hammerhead sharks can be found along Pakistan’s Arabian Sea coast.
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Länta Glacier: Small and Getting Smaller
Published April 1, 2019
Like many glaciers around the world, this glacier in the Swiss Alps is shrinking.
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Savage South Georgia
Published March 4, 2019
The remote island may be inhospitable to humans, but it provides a home to major populations of wildlife.
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New Satellite-Based Maps of Mangrove Heights
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Published February 27, 2019
Mangrove forests are among the planet’s best carbon scrubbers.
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