Statistics for occurrence #1 of “Ohio” in chapter 12 of John G. Nicolay, The Outbreak of Rebellion:

...Free States of Ohio, Indiana, and Illinois, who thus beheld a not remote prospect of having civil war brought to their own doors They therefore looked immediately to the protection and control of the Ohio River. Their enthusiastic response to the President's call had filled their capitals with volunteers, which were being armed and equipped by the Government. Ohio hurried off her earliest levies ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Ohio (Ohio, United States) 4,328 20 10 0 0 user votes
Ohio (United States) 1,611 10 1 0 0 user votes
Ohio (Colorado, United States) 12 0 0 0 0 user votes
Ohio (Illinois, United States) 0 0 0 0 0 user votes
Ohio (Missouri, United States) 0 0 0 0 0 user votes
Ohio (New York, United States) 0 0 0 0 0 user votes
Ohio (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.