Cynllun rheoli dalgylch Glaslyn, Dwyryd, Artro
Subtitle: adroddiad ymgynghorol.
Contributors: National Rivers Authority. Welsh Region.
Publisher: Awdurdod Afonydd Cenedlaethol, Rhanbarth Cymru
Published: 1994
Place of publication: Caerdydd
Language: wel
Number of pages: 124