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	Scientific instruments at the surface of Devil’s Hole in Nevada.

Scientists have found an area about 30 miles from Yucca Mountain that offers a unique geology for studying past climates.

This area, called “Devils Hole,” is a surface fracture about 6 feet wide that allows entry into an extensive underground cave. Over millions of years, groundwater left deposits of minerals on the rock within Devils Hole. By studying these deposits, scientists developed a record of the area’s climate conditions over the last half-million years.