Darganfod ac Archwilio’r Casgliad

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MineRhondda - Treftadaeth Ddisylw?
  • 519
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Creadigrwydd - Treftadaeth Ddisylw?
  • 333
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Hwyl - Treftadaeth Ddisylw?
  • 336
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Cysylltu- Treftadaeth Ddisylw
  • 278
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Cyd-gynghyrchu - Treftadaeth Ddisylw
  • 285
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Dysgu - Treftadaeth Ddisylw?
  • 265
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Archwilio - Treftadaeth Ddisylw?
  • 310
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Addasu i Covid - Treftadaeth Ddisylw
  • 249
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Delweddau o Lanelli

Delweddau o Lanelli
  • 367
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Hanes y Llan

Hanes y Llan
  • 495
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Treftadaeth Ddisylw?
  • 558
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Dyffryn Nantlle
  • 748
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Twnnel Chwarel Dorothea

Twnnel Chwarel Dorothea
  • 830
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Injan Fawr Chwarel Dororthea

Injan Fawr Chwarel Dororthea
  • 438
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Arysgrif o JER gyda dyddiad rhannol

Arysgrif o JER gyda dyddiad rhannol
  • 431
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Penyrorsedd

Penyrorsedd
  • 504
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Boeleri Chwarel Dorothea

Boeleri Chwarel Dorothea
  • 729
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underground in Dinas Silica mine

underground in Dinas Silica mine

  • 581
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underground at Dinas Silica Mine

underground at Dinas Silica Mine
  • 652
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underground at Dinas Silica Mine

underground at Dinas Silica Mine
  • 592
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Underground at Dinas Silica Mine

Underground at Dinas Silica Mine
  • 677
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Underground at Dinas Silica Mine

Underground at Dinas Silica Mine
  • 857
  • Use stars to collect & save items mewngofnodi
Underground at Dinas Silica Mine

Underground at Dinas Silica Mine
  • 629
  • Use stars to collect & save items mewngofnodi
underground at Dinas Silica Mine

underground at Dinas Silica Mine
  • 777
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Underground at Dinas Silica Mine

Underground at Dinas Silica Mine
  • 1,472
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underground at Dinas Silica Mine

underground at Dinas Silica Mine
  • 946
  • Use stars to collect & save items mewngofnodi