Disgrifiad
Undated (probably circa 1970) leaflet entitled "Cardiganshire Water Board. The North Cardiganshire Augmentation Scheme" describing reservoirs and mains used for the supply of water to Aberystwyth and surrounding area, including information on Bontgoch Water Treatment Works NPRN's 96481-96482), Llyn Llygad Rheidol Reservoir (NPRN 96480) and Llyn Craig y Pistyll Reservoir (NPRN 96479).
