Statistics for occurrence #1 of “Ohio” in entry jefferson-fort of Harper's Encyclopedia of United States History:

...(see Shelby, Evan), and he had to abandon the undertaking. Jefferson, then governor of Virginia, gave instructions for the occupation of a station on the Mississippi River between the mouth of the Ohio and the parallel of 36° 30′; and in the spring of 1780 Clarke chose a strong position 5 miles below the mouth of the Ohio, whereon he built Fort Jefferson. Here the Americans planted thei...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Ohio (United States) 1,611 200 1 0 0 user votes
Ohio (Ohio, United States) 4,328 891 10 1 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.