Statistics for occurrence #1 of “Arkansas river” in chapter 7 of Col. John M. Harrell, Confederate Military History, a library of Confederate States Military History: Volume 10.2, Arkansas:

...otection to the once populous and bountiful plateau north of the Boston mountains, of which Fayetteville and Bentonville are the principal towns, prepared his little force in and around Ozark (on the Arkansas river below Van Buren), to make a dash against Fayetteville, 70 or 80 miles distant, where the enemy was in greater force. His contemplated movement was considered opportune by General Steele at Fort Smi...
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