Customer and environment report =
Subtitle: Adroddiad i'r cwsmer ac adroddiad ar yr amgylchedd.
Publisher: Welsh Water = Dwr Cymru
Published: 1997
Place of publication: Brecon
Language: eng
Number of pages: 2626
Other titles: Adroddiad i'r cwsmer ac adroddiad ar yr amgylchedd.