The decision to build a permanent bridge was made after rough ice destroyed the temporary floating bridge on April 4, 1865.

Ford, having barely made it across the rough ice in his first run, never went back.

The inscription, from 1925, says something about a team that dragged antitoxins across 600 miles of rough ice in some exotic-sounding land far far away.

Two Inuit warriors fell, and rolled in crumpled balls along the rough ice.

Most of the year the strait is covered with rough, heavy ice.

'Better over rough ice,' Roger explains, 'and it floats if you happen to hit water.'

They would walk on the rough ice, and ski across the snow, until Ryan called a break.

Here were no stones, but only some rough ice, on which we sat to rest.

The banks were gone; the rough ice spread out in all directions and was bordered in the distance by green plants.

At Tarzan's suggestion the ship circled slowly at an altitude of a few hundred feet above the rough, snow-covered ice.