Leat at Sharnberry Mine, containing Sharnberry Beck GV II Leat retaining walls. Probablymid C19 for London Lead Company. Roughly- coursed and squared sandstone in dry construction. Walls c.l-metre high from surface of water to ground level, channel Sharnberry Beck for c.40 metres from the point where a boundary fence crosses the stream to a point c.10 metres south of retaining wall and level entrance.