The game was played by men in bare feet on frozen rivers.

It was a long fall to the frozen river.

Standing on the frozen river, you might see smoke rising in the distance.

Then he pushed off, sliding out across the frozen river.

You were afraid on the trail, in the frozen river.

They reached the bottom and crossed the small frozen river.

We ran across a frozen river and through the woods.

While frozen rivers made traveling easy, finding food was not.

He looked toward the drive and saw the frozen river of traffic.

As I'd been fairly sure it would be, the frozen river was clear of snow.