... works simultaneously with Devin's, but on the extreme left Custer had a very severe combat with Wi H. F. Lee's cavalry, as well as with Corse's and Terry's infantry. Attacking Terry and Corse with Pennington 's brigade dismounted, he assailed Lee's cavalry with his other two brigades mounted, but Lee held on so obstinately that Custer gained but little ground till our troops, advancing behind the works, d...