Statistics for occurrence #1 of “Prairie Grove” in chapter 6 of Col. John M. Harrell, Confederate Military History, a library of Confederate States Military History: Volume 10.2, Arkansas:

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Operations in northwest Arkansas battle of Newtonia Schofield Invades Arkansas Cane Hill and Prairie Grove army organization in December, 1862 fall of Arkansas Post. After General Holmes had arrived at Little Rock, General Hindman, continuing in charge of military operations in Arkansas and the Indi...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Prairie Grove (Arkansas, United States) 200 15 16 1 0 user votes
Prairie Grove (Arkansas, United States) 4 0 0 0 0 user votes
Prairie Grove (Arkansas, United States) 0 0 0 0 0 user votes
Prairie Grove (Iowa, United States) 0 0 0 0 0 user votes
Prairie Grove (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.