Copy of estate plan of the Newlands estate in the parish of Alfreton, showing outcrops of coal and surface features Scale 5 chains: 1 inch. The coal seams beds under the estate were worked initially by Newlands Colliery in the ownership of Gabriel Brittain, which was taken over by the Butterley Company in 1845-1846, when it as re-named Britain Colliery. [5 Aug 1844]