National Geographic : 1958 Jan
A. Aubrey Bodine Dawn over Baltimore Harbor: Tugboats Help a Freighter to the Piers The Nation's second largest port in foreign-trade tonnage lies 150 water miles from the Atlantic. Baltimore stands at the mouth of the Patapsco, where the river empties into Chesapeake Bay. Cargoes pour in and out of the harbor day and night. Long before sunup tugs set out to the anchorage areas, where ships lie overnight awaiting an early-morning tow. In 1956 the Maryland port handled an export-import volume of nearly 27 million tons, a figure exceeded only by New York; ocean-going vessels arriving in Baltimore reached 6 an all-time high of 5,735.