Darganfod ac Archwilio’r Casgliad

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ABERLLEFENNI SLATE QUARRY

ABERLLEFENNI SLATE QUARRY
  • 1,086
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ABERLLEFENNI SLATE QUARRY

ABERLLEFENNI SLATE QUARRY
  • 557
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CROESOR SLATE QUARRY

CROESOR SLATE QUARRY
  • 707
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PENARTH SLATE QUARRY, CORWEN

PENARTH SLATE QUARRY, CORWEN
  • 664
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ESGAIR MWYN LEAD MINE, EARTHWORK COMPLEX

ESGAIR MWYN LEAD MINE, EARTHWORK COMPLEX
  • 893
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RHOSYDD SLATE QUARRY

RHOSYDD SLATE QUARRY
  • 592
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CLOGAU SLATE QUARRY

CLOGAU SLATE QUARRY
  • 558
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CLOGAU SLATE QUARRY

CLOGAU SLATE QUARRY
  • 604
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POWELL'S LLYWERNOG MINE, PONTERWYD

POWELL'S LLYWERNOG MINE, PONTERWYD
  • 735
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GORSEDDAU SLATE QUARRY

GORSEDDAU SLATE QUARRY
  • 476
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VIVIAN SLATE QUARRY

VIVIAN SLATE QUARRY
  • 528
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GORSEDDAU SLATE QUARRY

GORSEDDAU SLATE QUARRY
  • 471
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YR EIFL QUARRY; TREVOR QUARRY

YR EIFL QUARRY; TREVOR QUARRY
  • 898
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VIVIAN SLATE QUARRY

VIVIAN SLATE QUARRY
  • 479
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PENARTH SLATE QUARRY, CORWEN

PENARTH SLATE QUARRY, CORWEN
  • 463
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VIVIAN SLATE QUARRY

VIVIAN SLATE QUARRY
  • 489
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ABERLLEFENNI SLATE QUARRY

ABERLLEFENNI SLATE QUARRY
  • 422
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GORSEDDAU SLATE QUARRY

GORSEDDAU SLATE QUARRY
  • 527
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DINORWIC SLATE QUARRY

DINORWIC SLATE QUARRY
  • 595
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POWELL'S LLYWERNOG MINE, PONTERWYD

POWELL'S LLYWERNOG MINE, PONTERWYD
  • 655
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CLOGAU SLATE QUARRY

CLOGAU SLATE QUARRY
  • 432
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VIVIAN SLATE QUARRY

VIVIAN SLATE QUARRY
  • 464
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MOEL FFERNA, SLATE MINE

MOEL FFERNA, SLATE MINE
  • 646
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PENARTH SLATE QUARRY, CORWEN

PENARTH SLATE QUARRY, CORWEN
  • 376
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RHOSYDD SLATE QUARRY

RHOSYDD SLATE QUARRY
  • 392
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