Statistics for occurrence #1 of “Plank” in chapter 3.28 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War. Volume 3.:

...ht division of the corps was commanded by General Charles Devens, afterward attorney-general in the cabinet of President Hayes. Devens and I together had carefully reconnoitered both the Orange Plank road and the old turnpike for at least three miles toward the west. After this reconnoissance he established his division,--the Second Brigade, under McLean, next to Schurz's first, and then pushin...
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.