includes correspondence to W. Jones & Sons, Llandudno Junction, re treatment house 1972.
Area supplied from Afon Glascwm Source and Llyn Conwy Trunk main.
7 day diagrams recording waste water  Sept/Oct 1972.
Main road shewing existing tarmac ramp. Nant Conwy R.D.C. Key Plan shewing Afon Llugwy Crossing, Reservoir site plan T.B. Farrington & Son, Llandudno.
Maps: Swallow Falls area, Plas-y-Brenin, Afon Llugwy; Glyn House & Farm [hand written] Deunant, Dol-gam; Bryn-glo, red line with comment 'Rough Going'; Coed Craig-Forris - red line passing Deunant, Ty Hyll.
Leaflet: Seculate anti-condensation compound - Robinson & Neal Ltd, Chester.