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1916: French soldiers line up for inspection in a trench strung with barbed wire.
Trench Warfare. Photographer. Encyclopædia Britannica Image Quest. Web. 14 Nov 2011.
Trench Aid
March 22, 1918: Red Cross workers in a trench tending to a wounded American soldier on a stretcher.
Sgt Leon H. Caverly / Topical Press Agency / Getty Images / Universal Images Group Trench Aid. Photographer. Encyclopædia Britannica Image Quest. Web. 14 Nov 2011.