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The expedition, led by Gino Watkins, aimed to draw improved maps and charts of poorly understood sections of Greenland's coastline, and to gather climate data from the coast and interior icecap during the north polar winter.
With an area of 8,100 km², Vatnajökull is the largest ice cap in Europe by volume (3,100 km³) and the second largest (after Austfonna on Nordaustlandet, Norway) in area (not counting the still larger Severny Island ice cap of Novaya Zemlya, Russia, which may be regarded as located in the extreme northeast of Europe).
Clark Nunatak is a rocky peak rising to 147 m at the southwest edge of the ice cap of Rotch Dome in western Livingston Island, South Shetland Islands, Antarctica near the south extremity of Urvich Wall.
The peak Khan Tengri in the Tian Shan Mountains (and on the border with Kyrgyzstan and China) is Kazakhstan highest elevation at 6995m (7010m with ice cap).
Sayer Nunatak is a rocky peak rising to 210 m south of Williams Point on Varna Peninsula, at the north edge of the ice cap of Livingston Island in the South Shetland Islands, Antarctica.
At the time, no roads crossed the Arctic Circle in North America, there were almost no runways for air transportation, and the polar ice cap prevented seaborne transport.