Battery B First Pennsylvania Artillery P.R.V.C. Commanded by Capt. James H. Cooper 4-3 inch rifled guns July 1, 1863 the Battery arrived here about noon and engaged Confederate artillery on Herr's Ridge. About 1:30 p.m. moved to the rear. Changed . . . — — Map (db m168215) HM
Army of the Potomac First Corps Volunteer Artillery Brigade First Penna. Light Artillery Battery B Four 3 inch Rifles Captain James H. Cooper commanding July 3 Moved to this position from East Cemetery Hill at 3 p.m. during a heavy cannonade and . . . — — Map (db m16559) HM