Cyflwr yr amgylchedd
Subtitle: Gwanwyn 1993
By: Cyngor Sir Gwynedd: Datblygu Economaidd a Chynllunio = State of the environment : Spring 1993 / Gwynedd County Council: Economic Development and Planning Department.
Publisher: Cyngor Sir Gwynedd
Published: 1993
Place of publication: Caernarfon
Language: eng
Number of pages: 7272
Subjects: Environmental protection -- Wales -- Gwynedd.
Notes: Bibliography: p72,72.

Testun Cymraeg/Saesneg tête-bêche = Welsh/English tête-bêche text.