Rheoli tir =
Subtitle: Land management.
Series: Adolygiad cyntaf cynllun y Parc Cenedlaethol = -- National Park plan review -- 1; Adolygiad cyntaf cynllun y Parc Cenedlaethol -- 1.
Publisher: Parc Cenedlaethol Eryri = Snowdonia National Park
Published: 1983
Place of publication: Penrhyndeudraeth
Language: eng
Number of pages: 126
Other titles: Land management.
Notes: Welsh and English text.