Nid oes gennych resi chwilio datblygedig. Ychwanegwch un trwy glicio ar y botwm '+ Ychwanegu Rhes'
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LefelSub-groupDisgrifiadFinal maps from a geophysical survey of Cwm Ffrydlas and Mynydd Du carried out by Sam Birchall, 2015.ArchifGeneral Digital Donations CollectionDyddiadRhif Archif6441599
LefelSub-groupDisgrifiadPhotos from a geophysical survey of Cwm Ffrydlas and Mynydd Du carried out by Sam Birchall, 2015.ArchifGeneral Digital Donations CollectionDyddiadRhif Archif6441600
LefelSub-groupDisgrifiadConservation Management Plan for Dyffryn House and Gardens, prepared by Teasdale Environmental Design, for National Trust, 2014ArchifGeneral Digital Donations CollectionDyddiadRhif Archif6479561
LefelSub-groupDisgrifiadFieldwork data from a geophysical survey of Cwm Ffrydlas and Mynydd Du carried out by Sam Birchall, 2015.ArchifGeneral Digital Donations CollectionDyddiadRhif Archif6441598