Y Graig Arw: Gwahaniaeth rhwng fersiynau
Cynnwys wedi'i ddileu Cynnwys wedi'i ychwanegu
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Llinell 10:
==Dolenni allanol==
* [http://userweb.port.ac.uk/~gilesd/pdf/Project%20Presentations/Peter%20Emerson-Thomas%20173761.pdf Peter Emerson-Thomas, Cyflwyniad Daearegol ynglŷn â'r tirlithriadau]{{Dolen marw|date=February 2021 |bot=InternetArchiveBot |fix-attempted=yes }}
* [http://www.geograph.org.uk/photo/1482736 www.geography.org.uk, Cofnod Daearyddol o dirlithriad diweddar]
* [http://www.ourwales.org.uk/index.php?option=com_joomcaw&controller=image&task=index&title=Pant-teg&lang=cy-GB Archifau Cymunedol Cymru, Pant-teg]
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