Statistics for occurrence #1 of “Yorktown” in chapter 5.23 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War: Volume 2.:

...mlns:ptext="ptext" xmlns="http://www.w3.org/TR/xhtml1/strict"> Several Union officers have written to the editors, stating that they witnessed the explosion of concealed shells or torpedoes at Yorktown — among them Fred T. Locke, assistant adjutant-general to Fitz John Porter, director of the siege, and Colonel Edward C. James, of the engineer corps. General Locke wrote in May, 1885: On ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Yorktown (Virginia, United States) 5,134 156 356 0 0 user votes
Yorktown (Arkansas, United States) 16 0 0 0 0 user votes
Yorktown (Pennsylvania, United States) 5 0 1 0 0 user votes
Yorktown (Illinois, United States) 0 0 0 0 0 user votes
Yorktown (Indiana, United States) 0 0 0 0 0 user votes
Yorktown (Iowa, United States) 0 0 0 0 0 user votes
Yorktown (Kentucky, United States) 0 0 0 0 0 user votes
Yorktown (Maryland, United States) 0 0 0 0 0 user votes
Yorktown (Missouri, United States) 0 0 0 0 0 user votes
Yorktown (New Jersey, United States) 0 0 0 0 0 user votes
Yorktown (New Mexico, United States) 0 0 0 0 0 user votes
Yorktown (New York, United States) 0 0 0 0 0 user votes
Yorktown (North Carolina, United States) 0 0 0 0 0 user votes
Yorktown (Ohio, United States) 0 0 0 0 0 user votes
Yorktown (South Dakota, United States) 0 0 0 0 0 user votes
Yorktown (Tennessee, United States) 0 0 0 0 0 user votes
Yorktown (Texas, 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.