Report by Judie English of platforms and leats surviving as earthworks. They may mark the proposed gunpowder mills at Abinger Hammer which were abandoned after the building application was turned down in 1791. (SIHG 60; see SyAC 81, 91-95) Year 1990 ID 1692 NGR TQ100470 Periods 18th century Borough Mole Valley Organisation Surrey Archaeological Society