...ng A. P. Hill's corps at Fredericksburg, having made a lodgement on the south side of the river there near the mouth of Deep run. I accordingly left the Fifteenth Virginia cavalry, Major Collins, W. H. F. Lee 's brigade, on the lower Rappahannock, co-operating with A. P. Hill, and directed Brigadier-General Hampton to remain with the brigade on the Rappahannock in observation of the enemy during the moveme...