Lock 59 and 60 are located in the Western portion of the C&O Canal near Little Orleans, MD.
Lock 59 was highly covered with Virginia Creepers and Ailanthus saplings. Al69l vegetation was removed from the historical structure. All stumps were treated with Garlon 3A. The top of the Lock was foliar sprayed.
Lock 60 was covered in Virginia Creeper as well. The vegetation was foliar sprayed with Garlon 3A. The dying vegetation will be removed later by the NPS. Ailanthus saplings were removed from the waste weir and treated with herbicide.