Cronfa gynaliadwyedd yr ardoll agregau ar gyfer Cymru =
Subtitle: The aggregates levy sustainability fund for Wales.
Contributors: Wales. National Assembly.
Publisher: Welsh Assembly Government
Published: 2002
Place of publication: Cardiff
Language: eng
Subjects: Quarries and quarrying -- Environmental aspects -- Wales.
Other titles: The aggregates levy sustainability fund for Wales.
Notes: Testun cyfochrog Cymraeg/Saesneg tête-bêche = Parallel Welsh/English text tête-bêche.