Darganfod ac Archwilio’r Casgliad

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Trimsaran (Trim)

Trimsaran (Trim)
  • 256
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Anonymous: 'The Welsh Settlers in Wicklow&...
  • 138
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Dee Bank Lead Works Bagillt.

Dee Bank Lead Works Bagillt.
  • 143
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Gwaith plwm Dee Bank Bagillt, trosolwg o'r...

Gwaith plwm Dee Bank Bagillt, trosolwg o'r...
  • 215
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Gwaith plwm Dee Bank Bagillt, ffatri arfau...

Gwaith plwm Dee Bank Bagillt, ffatri arfau...
  • 169
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Llun o Owen Roberts

Llun o Owen Roberts
  • 374
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Hendremeredydd workers 1916

Hendremeredydd workers 1916
  • 273
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Mwynglawdd Plwm Pumlumon

Mwynglawdd Plwm Pumlumon
  • 394
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Chwarel Era

Chwarel Era
  • 534
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Cerdyn post yn dangos Gweithfeydd Mwyn...

Cerdyn post yn dangos Gweithfeydd Mwyn...
  • 420
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Twnnel Chwarel Dorothea

Twnnel Chwarel Dorothea
  • 841
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Arysgrif o JER gyda dyddiad rhannol

Arysgrif o JER gyda dyddiad rhannol
  • 435
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Injan Fawr Chwarel Dororthea

Injan Fawr Chwarel Dororthea
  • 446
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Tomen sbwriel Gwaith y Fron, Cwmystwyth

Tomen sbwriel Gwaith y Fron, Cwmystwyth
  • 463
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Penyrorsedd

Penyrorsedd
  • 508
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Boeleri Chwarel Dorothea

Boeleri Chwarel Dorothea
  • 734
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Chwarel Penmaenmawr

Chwarel Penmaenmawr
  • 1,651
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