That afternoon , she steamed back down river to join the Potomac River Flotilla off the mouth of Occoquan Creek .
That afternoon , she began almost two years of operations in the roughly parallel rivers which drain tidewater Virginia and empty into the Chesapeake Bay .
That afternoon , she steamed back down river to join the Potomac River Flotilla off the mouth of Occoquan Creek and began almost two years of operations in the roughly parallel rivers which drain tidewater Virginia and empty into the Chesapeake Bay .