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.:

... spot in the forest between the Orange Plank road and the pike. This pike is an old roadway which skirts the northern edge of Talley's farm, and makes an angle of some forty degrees with the Orange Plank road. At dawn of that eventful day General Hooker was at Chancellorsville. Slocum and Hancock were just in his front, infantry and artillery deployed to the right and left. French's division ...
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.