Statistics for occurrence #1 of “Ohio” in chapter 18 of Benson J. Lossing, Pictorial Field Book of the Civil War. Volume 1.:

...did not venture to express any dissent to the plans of the General-in-chief. He simply asked permission to take a regiment or two from Annapolis, march them to the Relay House, on the Baltimore and Ohio Railway, nine miles from Baltimore, and hold it, so as to cut the secessionists off from facile communication with Harper's Ferry. It was granted. He then inquired, what were the powers of a Gene...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Ohio (Ohio, United States) 4,328 122 10 0 0 user votes
Ohio (United States) 1,611 20 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.