An area of scrubland adjacent to the Rotherham Main Colliery site. The land was previously occupied by Canklow Sewage Works and contained a number of sludge beds. These were last depicted on the 1955 OS map. To the south of the polygon was another utilities site- a gasometer. The land is marked on the 1854 6inch OS map as 'liable to flood'. The area, known as Bradmarsh has a reputation for flooding.