Statistics for occurrence #1 of “Ohio” in chapter 2.7 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 1: The Opening Battles.:

...Virginia, 80; Virginia, 519; North Carolina, 85; South Carolina, 60; Georgia, 108; Florida, 32; Alabama, 78; Mississippi, 186; Louisiana, 118; Texas, 14; Arkansas, 167; Tennessee, 298; Kentucky, 138; Ohio , 3; Indiana, 4; Illinois, 1; Missouri, 244; Minnesota, 6; California, 6; Kansas, 7; Oregon, 4; Nevada, 2; Washington Territory, 1; Utah, 1; New Mexico, 19; Nebraska, 2; Colorado, 4; Indian Territory,...
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 6 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.