...mpanies Fifth Missouri cavalry, (Benton hussars,) two pieces of Capt. Elbert's flying battery. It was about seven o'clock in the morning when the firing began on the Keitsville road, this side of Elkhorn Tavern . I was waiting for Col. Osterhaus and Lieut. Assenussen, of my staff, who had gone out to reconnoitre the ground on which I intended to deploy, and to find the nearest road to that ground. The Fo...