lód rzeczny

Jake Grafton's gray eyes looked like river ice in winter.

There is no bridge, but the river ice can be used by cars in the winter.

It would be frozen over now, the chances were, but trusting river ice was no part of his plan.

During the night there had been snow, and the river ice would be covered with it.

His mate lay, a stiffening gray thing upon the river ice.

They kept him from measuring his length on the slippery river ice more than once.

She smiled, a smile thin as river ice in the north when the winter's freezing has not yet made it safe.

Sixty feet long and built of rods, it had pierced the river ice, leaving an end on the bank.

Some of it had gone through the river ice.

On April 6, 1920, two spans of the bridge collapsed due to river ice.