Carreg Arthur (beddrod siambr): Gwahaniaeth rhwng fersiynau

Cynnwys wedi'i ddileu Cynnwys wedi'i ychwanegu
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Nodyn: Lleoliad
Llinell 1:
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Heneb, a math o [[feddrodau siambr]] (Saesneg: ''chambered tomb'') sy'n perthyn i [[Oes Newydd y Cerrig]] neu [[Oes yr Efydd]] a chyn hynny (rhwng 3,000 a 2,400 C.C.)<ref>[http://www.eng-h.gov.uk/mpp/mcd/jump3top.htm Gwefan English Heritage]</ref> ydy '''Carreg Arthur''', [[Llanrhidian]], [[Abertawe]]; {{gbmapping|SS491905.}} <ref>[http://www.whatdotheyknow.com/request/15714/response/38315/attach/html/2/SAMs%20by%20UA.xls.html Data Cymru Gyfan, CADW]</ref>