| Year | 1956 |
| Date | 28-Jun |
| Volume | 114 |
| Issue | 2,875 |
| Page | 1,054 |
| Category | General |
| Part | |
| Title | Britain's Largest Dam |
| Author | C.E.Page |
| Notes | Claerwen Dam. Stilling pool and valve house, the dam almost finished (Edmund Nutall Ltd.), meaning of the Act, sketch of dam and measuring weir, Pon-y-Garey dam main scour exit, section, schematic elevation of Elan and Claerwan rivers and dams |