Statistics for occurrence #1 of “Plank” in chapter 3.30 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War. Volume 3.:

... Plank
by Samuel P. Bates, his Literary Executor. In October, 1876, I accompanied General Hooker to the battle-fields of...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Plank (Pennsylvania, United States) 850 94 0 0 0 user votes
Plank (Kentucky, United States) 104 2 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.