Statistics for occurrence #1 of “Chambersburg” in chapter 35, regiment PA36 of Frederick H. Dyer, Compendium of the War of the Rebellion: Regimental Histories:

... (See 7th Reserves Infantry.) Organized at Harrisburg July 4, 1863, for the protection of Pennsylvania during Lee's invasion. Duty in the Dept. of the Susquehanna at Greencastle, Chambersburg and Hagerstown, Md. Mustered out August 11, 1863.
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Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Chambersburg (New Jersey, United States) 716 109 128 39 0 user votes
Chambersburg (Illinois, United States) 0 0 0 0 0 user votes
Chambersburg (Missouri, United States) 0 0 0 0 0 user votes
Chambersburg (Ohio, 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.