Large open cast site. Sludge pits and tips are depicted on the 1966 OS map. Prior to this the area was agricultural. The 1st edition OS map of 1855 depicts fields with regular and straight edges indicative of surveyed enclosure. The fields were probably enclosed as part of the Wath Upon Dearne parliamentary enclosure award of 1814. Prior to this the area was common land. Legibility is invisible.