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Popular Science Monf/i/i/
��;)09
���Soldiers in One of the Winding Trenches of a Shell-Pitted Battlefield
��Military information of the kind which this picture contains is carefully noted by the observer who engages in Corps reconnaissance. Considerable deductive power is necessary
��motor, and is off again — homeward bound.
Again the battlelines come into view below, and the observer looks out for new trenches. Sure enough he sees several,
��and marks their position carefully on the map; also whether they are traverse or communication trenches. The condition of the barbed wire entanglements next engages his attention. Where they are^
�� �
