Freshney, E.C., McKeown, & Williams, M., 1972. Geology of the Coast between Tintagel and Bude. Institute of Geological Sciences, Memoirs of the Geological Survey of Great Britain England and Wales. HMSO, p.14.
Gull Point Slate Quarry
Freshney, E.C., McKeown, & Williams, M., 1972. Geology of the Coast between Tintagel and Bude. Institute of Geological Sciences, Memoirs of the Geological Survey of Great Britain England and Wales. HMSO, p.14.