Statistics for occurrence #1 of “Ohio” in page 409 of Benson J. Lossing, Pictorial Field Book of the Civil War. Volume 1.:

...ans passed through, some leading Virginians came down to Baltimore from Charlestown and Winchester as representatives of many others of their class, and demanded of the managers of the Baltimore and Ohio Railway not only pledges, but guaranties, that no National troops, nor any munitions of war from the Armory and Arsenal at Harper's Ferry, should be permitted to pass over their road. They accompan...
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.