A geophysical scientific recording vehicle moves slowly over a snow bridge built to cover a crack in Beaufort Sea ice north of the coast of Alaska.   Alaska Stock Photos   Click Here for all Stock Photo Galleries   Model Released People Lifestyle Stock Photography & Other Topics. These Stock Photos are available for use license. arctic, snow, cold, north, seismic, research, oil, rig, rigs, beaufort, sea, ocean, alaska, vehicle, cat, caterpillar, tread, crack, bridge, trailer, housing, crew, geophysical, exploration, scientific, electronics, recording, communications