Buffalo River Expedition
By 1863, much of northwestern Arkansas was loosely controlled by Union forces but still home to many Confederate partisan forces. In many instances, isolated areas in the mountains were used as sites by these and others for the manufacture of saltpeter, an ingredient necessary for the production of gunpowder. On January 9, 1863, following orders issued by Brigadier General Francis J. Herron, Major Joseph W. Caldwell led a detachment of 300 Union troopers of the First Iowa Cavalry into the mountains in the direction of Kingston (Madison County) in search of Confederate activity. They rode out of Huntsville (Madison County) at 8:00 a.m., arriving in Kingston at 2:00 p.m. Here, Caldwell forwarded recently acquired information to Herron concerning area …
