Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Anchored Repairs to Dry Stone Masonry Retaining Walls on Major Trunk Roads (report)
Six pages, illustrated throughout.
Pwnc
Diwydiant
Rhif yr Eitem
1997.26/3
Mesuriadau
Meithder
(mm): 298
Lled
(mm): 211
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.