Inauguration of the Penybont Sewage Treatment Works and sewerage scheme by T. Alec Jones, M.P., Parliamentary Under-Secretary of State for Wales, 24th September 1976
Welsh National Water Development AuthorityMorgannwg Sewage Division.
[Brecon] The Authority
[1977]
Cover title: Penybont Sewage Treatment Works & sewerage scheme
Penybont Sewage Treatment Works.