Teitl clawr = Cover title.
Lleddfu traffig ym Methesda a Chrucywel : adroddiad gan Community and Environmental Planning i ganfod Addasrwydd Lleddfu traffig yn hytrach nag adeiladu lonydd osgoi o gwmpas trefi Bethesda a Chrucywe by Community and Environmental Planning. Published by Cyfeillion y Ddaear Cymru in 1992. Publication and catalogue information, links to buy online and reader comments.