'The new study makes clear that the deep ice at Camp Century—some 75 miles inland from the coast and only 800 miles from the North Pole—entirely melted at least

'The new study makes clear that the deep ice at Camp Century—some 75 miles inland from the coast and only 800 miles from the North Pole—entirely melted at least once within the last million years and was covered with vegetation, including moss and perhaps trees.'