Rhif Archif
6335434
Disgrifiad
Appendix to Engineering Archaeological Services Report 2010/01 for Ty'n Twr, Bethesda comprising location map,commissioned by The North West Wales Dendrochronology Project in partnership with RCAHMW.
Enw Casgliad
RCAHMW Dendrochronology Project Collection
Cyfrwng
Cartographic.
Cychwynnwr
Engineering Archaeological Services Ltd.
Dyddiad
2010-02