A scene from another world: entering a glacier cave on Mount Hood. Two explorers say they have mapped more than a mile of caves in Sandy Glacier.
October 8, 2013 Explorers Eddy Cartaya and Brent McGregor have used ropes, ice screws, wet suits, and flashlights to map out more than a mile of passages underneath a glacier on Oregon's Mount Hood, in what are thought to be America's largest known glacier caves outside Alaska.
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