Keywords: 00 Mile Marker on Chesapeake and Ohio canal.jpg en 0 Zero mile marker the start of the Chesapeake and Ohio Canal The remains of the waste weir is in the background The tidewater lock itself is not in the picture it would be off the right side continuing behind the camera Also note the Kennedy Center in the background and the Roosevelt Memorial Bridge US Route 50 and Interstate 66 crossing the Potomac own Bonnachoven 38 899954 -77 057573 Chesapeake Ohio Canal National Historical Park Cc-zero |