...d occupied, and emplacements to hold three heavy guns were prepared on the river face of the bluff. The two eight-inch Columbiads, which we were told had been constructed at the Bellona arsenal, in Chesterfield county , on the upper James river, above Richmond, were sent down the river on lighters, drawn by tugs, to the wharf, erected at the mouth of the ravine, just east of the fort. Then the heavy work of landi...