Darganfod ac Archwilio’r Casgliad

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Coal Mining Records,Fochriw 1865-1964

Coal Mining Records,Fochriw 1865-1964
  • 1,919
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Public Services / Miners' Welfare Records,...

Public Services / Miners' Welfare Records,...
  • 1,860
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Pwll Glo Ynysowen

Pwll Glo Ynysowen
  • 932
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Lewis Merthyr Colliery

Lewis Merthyr Colliery
  • 612
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Lewis Merthyr Colliery 60th Anniversary Exhibition

Lewis Merthyr Colliery 60th Anniversary Exhibition
  • 475
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Lewis Merthyr Colliery 60th Anniversary Exhibition

Lewis Merthyr Colliery 60th Anniversary Exhibition
  • 485
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Lewis Merthyr Colliery 60th Anniversary Exhibition

Lewis Merthyr Colliery 60th Anniversary Exhibition
  • 541
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Glofa Dyffryn Merthyr

Glofa Dyffryn Merthyr
  • 153
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Glofa Taf Merthyr

Glofa Taf Merthyr
  • 186
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Glofa Dyffryn Merthyr

Glofa Dyffryn Merthyr
  • 156
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Swyddogion Merthyr Vale, [c1910]

Swyddogion Merthyr Vale, [c1910]
  • 141
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Iard Glofa'r Graig Merthyr

Iard Glofa'r Graig Merthyr
  • 188
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Adeilad yng Nglofa Taf Merthyr

Adeilad yng Nglofa Taf Merthyr
  • 161
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Golygfa o Lofa Taf Merthyr

Golygfa o Lofa Taf Merthyr
  • 162
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Golygfa o Lofa Lewis Merthyr

Golygfa o Lofa Lewis Merthyr
  • 153
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Cludfelt yng Nglofa Taf Merthyr

Cludfelt yng Nglofa Taf Merthyr
  • 156
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Ffan yng Nglofa Lewis Merthyr

Ffan yng Nglofa Lewis Merthyr
  • 140
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Ffordd yng Nglofa'r Graig Merthyr

Ffordd yng Nglofa'r Graig Merthyr
  • 154
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Byncer danddaear yng Nglofa Taf Merthyr

Byncer danddaear yng Nglofa Taf Merthyr
  • 318
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Byncer danddaear yng Nglofa Taf Merthyr

Byncer danddaear yng Nglofa Taf Merthyr
  • 174
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Ffordd danddaear yng Nglofa Dyffryn Merthyr

Ffordd danddaear yng Nglofa Dyffryn Merthyr
  • 141
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Adeiladau yng Nglofa'r Graig Merthyr

Adeiladau yng Nglofa'r Graig Merthyr
  • 147
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Adeiladau yng Nglofa'r Graig Merthyr

Adeiladau yng Nglofa'r Graig Merthyr
  • 164
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Llafnwr ar waith yng Nglofa Dyffryn Merthyr

Llafnwr ar waith yng Nglofa Dyffryn Merthyr
  • 163
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Ffordd yng Nglofa Dyffryn Merthyr

Ffordd yng Nglofa Dyffryn Merthyr
  • 135
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Workmen Demolishing the Arch

Workmen Demolishing the Arch
  • 35
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Dramiau yng Nglofa Dyffryn Merthyr

Dramiau yng Nglofa Dyffryn Merthyr
  • 131
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Golygfa o Lofa Taf Merthyr

Golygfa o Lofa Taf Merthyr
  • 175
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