...m. At 11 A. M. the pickets on Curtis's extreme right under Major Weston were violently assailed, and Colonel Osterhaus, with a detachment of Iowa cavalry and Davidson's Peoria Battery, supported by Missouri cavalry and Indiana infantry, attacked a portion of Van Dorn's troops before he was fairly ready for battle. Colonel Carr went to the assistance of Weston, and a severe engagement ensued. Thus th...