This skirmish is likely due to the movement of BM Prentiss at Ironton towards Jackson to meet elements of the 11th MO which arrived in Cape Girardeau August 6th 1861. See JC Fremont to Prentiss OR Vol 3 page 453-454. or click http://ehistory.osu.edu/osu/sources/recordView.cfm?Content=003/0453
John R