Statistics for occurrence #1 of “Petersburg” in chapter 13.52 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War: The Opening Battles. Volume 1.:

...d, and here the principal work in ordnance and armor was done. By dint of great efforts, foundries and rolling-mills were established at Selma, Atlanta, and Macon; smelting-works and a rope-walk at Petersburg ; a powder-mill at Columbia, and an ordnance-foundry and chemical works at Charlotte. These works supplied what was needed in the way of ordnance and equipment, but they could not build vessels. T...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Petersburg (Pennsylvania, United States) 3 0 3 0 0 user votes
Petersburg (Alaska, United States) 0 0 0 0 0 user votes
Petersburg (Delaware, United States) 0 0 0 0 0 user votes
Petersburg (Georgia, United States) 0 0 0 0 0 user votes
Petersburg (Iowa, United States) 0 0 0 0 0 user votes
Petersburg (Iowa, United States) 0 0 0 0 0 user votes
Petersburg (Kansas, United States) 0 0 0 0 0 user votes
Petersburg (Kentucky, United States) 0 0 0 0 0 user votes
Petersburg (Maryland, United States) 0 0 0 0 0 user votes
Petersburg (Michigan, United States) 0 0 0 0 0 user votes
Petersburg (Minnesota, United States) 0 0 0 0 0 user votes
Petersburg (Missouri, United States) 0 0 0 0 0 user votes
Petersburg (Missouri, United States) 0 0 0 0 0 user votes
Petersburg (Nebraska, United States) 0 0 0 0 0 user votes
Petersburg (New Jersey, United States) 0 0 0 0 0 user votes
Petersburg (New Jersey, United States) 0 0 0 0 0 user votes
Petersburg (New Jersey, United States) 0 0 0 0 0 user votes
Petersburg (New York, United States) 0 0 0 0 0 user votes
Petersburg (North Carolina, United States) 0 0 0 0 0 user votes
Petersburg (North Carolina, United States) 0 0 0 0 0 user votes
Petersburg (North Carolina, United States) 0 0 0 0 0 user votes
Petersburg (North Dakota, United States) 0 0 0 0 0 user votes
Petersburg (Ohio, United States) 0 0 0 0 0 user votes
Petersburg (Oklahoma, United States) 0 0 0 0 0 user votes
Petersburg (Oregon, United States) 0 0 0 0 0 user votes
Petersburg (Pennsylvania, United States) 0 0 0 0 0 user votes
Petersburg (Pennsylvania, United States) 0 0 0 0 0 user votes
Petersburg (Pennsylvania, United States) 0 0 0 0 0 user votes
Petersburg (Tennessee, United States) 0 0 0 0 0 user votes
Petersburg (Texas, United States) 0 0 0 0 0 user votes
Petersburg (Virginia, United States) 0 0 0 0 0 user votes
Petersburg (Wisconsin, 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.