The old system of intrenched camps and lines of contravallation is unsuited to the spirit of modern warfare.
The other covered the siege, and secured himself from the allies by lines of contravallation.
Around the great tête de pont, he contented himself with raising a contravallation, which cut off the two roads.
On the 20th I continued working on the lines of contravallation, under a dreadful fire from the place.
Before help arrived, Anseric had had time to kill or put to flight all who were guarding the contravallation.