I'd sooner use good powder than cut frozen gravel with the pick.

I felt sharp frozen gravel slice through the thin sole of one of my shoes.

He stopped above an excavation where Charnock and another were cutting a hole in the frozen gravel.

There were forty-five of them waiting the start for the thousand-thousand dollars Cyrus Johnson had left lying in the frozen gravel.

A minute or two later, lumps of frozen gravel flew about the track and showers of smaller fragments scattered the snow.

From the moss and grass the land was frozen to bed-rock, and frozen gravel, hard as granite, defied pick and shovel.

I was drawing aimless pictures in the frozen gravel, when I became aware that two skaters had stopped in front of me.

To the right, a heap of frozen gravel and a rude windlass denoted where they toiled each day in dismal groping for the pay-streak.