Statistics for occurrence #1 of “Mount Jackson” in chapter 34, regiment PA22Cav of Frederick H. Dyer, Compendium of the War of the Rebellion: Regimental Histories:

...e September 10. Bunker Hill September 13. Near Berryville September 14. Near Martinsburg September 18. Battle of Opequan, Winchester, September 19. Fisher's Hill September 22. Mount Jackson September 23-24. Forest Hill or Timberville September 24. Brown's Gap September 26. Weyer's Cavalrye September 26-27. Port Republic September 28. Battle of Cedar Creek October 19....
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Mount Jackson (Virginia, United States) 631 166 29 0 0 user votes
Mount Jackson 0 0 0 0 0 user votes
Mount Jackson (California, United States) 0 0 0 0 0 user votes
Mount Jackson (California, United States) 0 0 0 0 0 user votes
Mount Jackson (California, United States) 0 0 0 0 0 user votes
Mount Jackson (California, United States) 0 0 0 0 0 user votes
Mount Jackson (Colorado, United States) 0 0 0 0 0 user votes
Mount Jackson (Indiana, United States) 0 0 0 0 0 user votes
Mount Jackson (Montana, United States) 0 0 0 0 0 user votes
Mount Jackson (Montana, United States) 0 0 0 0 0 user votes
Mount Jackson (Nevada, United States) 0 0 0 0 0 user votes
Mount Jackson (New Hampshire, United States) 0 0 0 0 0 user votes
Mount Jackson (Pennsylvania, United States) 0 0 0 0 0 user votes
Mount Jackson (Western Australia, Australia) 0 0 0 0 0 user votes
Mount Jackson (Wyoming, United States) 0 0 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.