Statistics for occurrence #1 of “Official Records” in chapter 5.23 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War: Volume 2.:
...great agony. . . . In the casemates and covered ways about the fortifications I saw a number of large shells, placed so that they could easily be fired by persons unaware of their presence.
The Official Records show that General Fitz John Porter referred to the buried shells in his report of the siege, and General William F. Barry, Inspector of Artillery, made a statement in detail, in a communication to a...
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