Disgrifiad
Depiction of survey converted to OS grid coordinates, from a Gwynedd Archaeological Trust survey of the Rhiwgoch Pipeline.
Cofnod Casglu
RGP - GAT Rhiwgoch Pipeline Survey
Cyfrwng
Cartographic, Graphic.
Cychwynnwr
Gwynedd Archaeological Trust Ltd.
Dyddiad
2008-11 to 2009-11
