Statistics for occurrence #1 of “Pittsburg” in chapter 8.21 of Robert Underwood Johnson, Clarence Clough Buell, Battles and Leaders of the Civil War: The Opening Battles. Volume 1.:

...d myself, and had been referred to me for decision, as having in charge military operations on the Mississippi. On the 31st of July the Secretary of War directed that the 16 nine-inch guns made at Pittsburg for the navy should be forwarded to me with the greatest dispatch, and that 30 thirteen-inch mortars be made as soon as possible and forwarded to me, together with shells for both guns and mortars. ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Pittsburg (Alabama, United States) 4 0 0 0 0 user votes
Pittsburg (Texas, United States) 1 0 1 0 0 user votes
Pittsburg (Colorado, United States) 0 0 0 0 0 user votes
Pittsburg (Florida, United States) 0 0 0 0 0 user votes
Pittsburg (Illinois, United States) 0 0 0 0 0 user votes
Pittsburg (Illinois, United States) 0 0 0 0 0 user votes
Pittsburg (Indiana, United States) 0 0 0 0 0 user votes
Pittsburg (Iowa, United States) 0 0 0 0 0 user votes
Pittsburg (Kentucky, United States) 0 0 0 0 0 user votes
Pittsburg (Michigan, United States) 0 0 0 0 0 user votes
Pittsburg (Missouri, United States) 0 0 0 0 0 user votes
Pittsburg (New Hampshire, United States) 0 0 0 0 0 user votes
Pittsburg (New Mexico, United States) 0 0 0 0 0 user votes
Pittsburg (New Mexico, United States) 0 0 0 0 0 user votes
Pittsburg (North Carolina, United States) 0 0 0 0 0 user votes
Pittsburg (Oklahoma, United States) 0 0 0 0 0 user votes
Pittsburg (Oklahoma, United States) 0 0 0 0 0 user votes
Pittsburg (Oregon, United States) 0 0 0 0 0 user votes
Pittsburg (South Carolina, United States) 0 0 0 0 0 user votes
Pittsburg (Utah, 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.