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National News

Oasis in the Mojave, Protected but at Risk

A lighted relief map at the Ash Meadows National Wildlife Refuge shows the path of the Amargosa River, in Amargosa Valley, Nev., Dec. 4, 2017. The Amargosa River system, in southern Nevada and eastern California, flows through the Mojave Desert, giving life to plants and animals found nowhere else in the world. (Rick Loomis/The New York Times).