The Engineers at Vicksburg Part 13: “A Vast Sheet of Water”
Due to the flooded nature of the countryside and the roads being almost impassable, Union engineers and fatigue parties had to corduroy roads to provide a firm surface for the soldiers to march and the wagons to roll. Here, Union troops construct corduroy roads during the Peninsular Campaign in Virginia.

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Photo by: Library of Congress (Archival) |  VIRIN: 161130-A-YL201-003.JPG