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Live Science on MSN6 小时
Hells Canyon caves reveal unexpected finding about America's deepest gorge
About 2,000 feet deeper than the Grand Canyon, Hells Canyon was rapidly carved when a lake spilled over about 2.1 million ...
NPR24 天
Hells Canyon, the deepest gorge in the U.S., is surprisingly young
"The Hells Canyon, despite being a deeper canyon, has not really attracted as much modern scientific interest," says Matthew Morriss, a geologist with the Utah Geological Survey. He personally ...
OPB24 天
Eastern Oregon’s Hells Canyon, the deepest gorge in the US, is surprisingly young
“The Hells Canyon, despite being a deeper canyon, has not really attracted as much modern scientific interest,” says Matthew Morriss, a geologist with the Utah Geological Survey. He personally ...
KCRW24 天
Hells Canyon, the deepest gorge in the U.S., is surprisingly young
"The Hells Canyon, despite being a deeper canyon, has not really attracted as much modern scientific interest," says Matthew Morriss, a geologist with the Utah Geological Survey. He personally became ...
KUOW24 天
Hells Canyon, the deepest gorge in the U.S., is surprisingly young
Hells Canyon, the deepest river gorge in the United States, likely got rapidly carved 2.1 million years ago when a shifting landscape in Idaho caused a giant lake to start overflowing. That's ...