US Army Corps of Engineers
Engineer Research and Development Center Website

The Engineers at Vicksburg, Part 23: A Column of Dirt, Smoke and Flame
Union soldiers surged into the crater where battle raged in unabated fury for 26 hours – all to no avail. (Drawn by F.B. Schell)

Download Image: Full Size (0.15 MB)
Photo by: Library of Congress |  VIRIN: 170615-A-YL201-002.JPG