- - Excavations used in the front line in World War I
- - W.W. I battle sites
- - W.W. I battlegrounds
- - W.W. I defences
- - W. W. I lines
- - Defence cuts
- - Ditches those employed by a major employer when there is trouble
- - Ocean depths
- - Ditches fish around river with heads of European salmon
- - Large ditches disrupt N Chester
- - Soldiers' digs?
- - Ditches borders around conflict zone presumably
- - WWI defenses
- - Battlefield ditches
- - Foxholes
- - Where the real work gets done
- - GIs' earthworks
- - Tough workplace, figuratively
- - Infantry lines
- - Deep ditches
- - Fosses
- - Ditches
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