There was much to be done in the way of strengthening the earthworks.
On the site of British earthworks the Romans established their camps.
His left was protected by earthworks, and his right extended to the woods on our left.
The river that might have been blocked was open; the earthworks had no cannon, the men no guns.
Everywhere, through wood and clearing, appeared McClellan's earthworks.
Strong parties were at work erecting a series of earthworks on the hill.
The earthworks—a double line—ran in and out of the interlacing streams.
Hundreds of them were lying stretched in sleep behind the shelter of the earthworks.
They lay for hours behind their earthworks, half buried in muddy slime.
Tremendous as was the cannonade, the earthworks were almost a match for it.