Longcliffe Quarries Ltd operate Bonemill Quarry, regulated under section 3.5 of the Environmental Permitting Regulations, at Ryder Point near Brassington. 
Bonemill Quarry is a source of dolomitic limestone, processed using mobile crushing and screening plant. Coarse products are stored in open stockpiles and products are either bagged or dispatched in bulk by lorry. A variety of other aggregates are imported to site for bagging and onward sale to the decorative aggregates market.
(Photo courtesy of Longcliffe Quarries Ltd)