Lock

John T. Myers Locks and Dam Johnson's Lock Jones Falls Dam Kentish Town Lock King's Lock King's Norton Stop Lock Little Goose Dam Lock and Dam No. 1 Lock and Dam No. 18 Lock and Dam No. 19 Lock and Dam No. 17 Lock and Dam No. 2 Lock and Dam No. 20 Lock and Dam No. 26 Lock and Dam No. 4 Lock and Dam No. 3 Lock and Dam No. 5A Lock and Dam No. 6 Lock and Dam No. 7 Lower Monumental Dam Lock and Dam No. 14 Markland Locks and Dam Marlow Lock Marseilles Lock and Dam Historic District Marsh Lock Maxwell Lock & Dam Stratton Lock and Dam Meeker Island Lock and Dam Mile End Lock Millers Ferry Lock and Dam John Day Dam Morgantown Lock and Dam New Savannah Bluff Lock and Dam Old Ford Lock Old Hickory Lock and Dam Old Windsor Lock Penton Hook Lock Pickett's Lock Point Marion Lock and Dam Ponder's End Lock Romney Lock Ham Lock Salmon Lane Lock Sandford Lock Sonning Lock Templin lock Starved Rock Lock and Dam Sturt's Lock Swansea Barrage Tees Barrage