1151
Roger de Mowbray granted Fountains Abbey “All copper, iron, lead and every kind of metal and stone in his forest of Niderdala in whatsoever place found, below ground or above… in shafts, mines, and minerals” This grant included the township of Bewerley which includes the area which would become the village of Greenhow Hill.
A further grant gave land in the dale to Bylands Abbey and included “iron ore and a 10th of my lead house through all my forest of Nidderdale”