Statistics for occurrence #1 of “Chambersburg” in chapter 22 of Benson J. Lossing, Pictorial Field Book of the Civil War. Volume 1.:

...ops into that portion of Virginia; and Major-General Robert Patterson, a veteran of two wars, then at the head of the Department of Pennsylvania, was rapidly gathering a large force of volunteers at Chambersburg , in that State, under General W. H. Keim. General Patterson took command at Chambersburg, in person, on the 3d of June. His troops consisted mostly of Pennsylvania militia, who had cheerfully...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Chambersburg (New Jersey, United States) 716 14 128 0 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.