Statistics for occurrence #1 of “Ohio” in chapter 6 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 10: The Armies and the Leaders.:

...157239 Nevada1,0801,08033 New Hampshire32,93088212533,9374,882 New Jersey67,5008,1291,18576,8145,754 New Mexico6,5616,561277 New York409,56135,1644,125448,85046,534 North Carolina3,1563,156360 Ohio 304,8143,2745,092313,18035,475 Oregon1,8101,81045 Pennsylvania315,01714,3078,612337,93633,183 Rhode Island19,5211,8781,83723,2361,321 Tennessee31,09231,0928,777 Texas1,9651,965151 Vermont32,5496...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Ohio (Ohio, United States) 4,328 34 10 0 0 user votes
Ohio (United States) 1,611 4 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.