1) Cowlyd Lake Water supply - General conditions cast iron mains [cover in poor condition]
2) as above - proposed headworks in Conway Valley [2 copies, date crossed off and 1929 written on one copy,1 cover in poor conditon].
3) as above - proposed 18" main at Dolgarrog and Maenan
4) as above - proposed 12" main at Dolgarrog
5) as above - Glan Conway-Llanrwst-Bettws-y-Coed Road A496 propsed alternative to Board's 15 inch trunk main.
6) as above - proposed 18 inch main, Maenan to Sarnmynach.