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Stori: 2 eitem

Newidiadau yn y gefnen ym Mae Cemlyn

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Natur gyfnewidiol y gefnen ro ym Mae Cemlyn

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William Elias with great grandson Malcolm

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Alfred Russel Wallace yng Nghastell-nedd, Panel...

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Alfred Russel Wallace yng Nghastell-nedd, Panel...

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Alfred Russel Wallace yng Nghastell-nedd, Panel...

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Meteorit haearn

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Asgwrn gên isaf

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Ceinws - tro i Bwlchlluan 2010 rhan 2

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Ceinws - tro i Bwlchlluan 2010 rhan 1

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Hanes y Goedwig, Erwyd Howells

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The Blitz London KS2

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The Blitzed Re-Creation ks2

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Station 4 View South across Llyn Mawr

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Photographs of the Cardiff Naturalists' Society...

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Invitation to a Reception at the National...

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Cardiff Naturalists' Society. Photograph of...

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Cardiff Naturalists' Society. Photographs of...

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Centenary Celebrations Programme, Cardiff...

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Leaflet on Cardiff Naturalists' Society, A...

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Photograph of Cardiff Naturalists' Society's...

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Newspaper clipping reprinted from the South...

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Photograph of Naturalists' Society Members...

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Exhibition Catalogue, Cardiff Naturalists'...

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Claf Castell Hensol Sy'n Ffermio

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Pen Ystagbwll - 1950

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Coygen Cave Laugharne

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Dolymynach Dam Construction, Claerwen Valley...

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Weather Records, Fochriw 1866-1964

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Cloud Quiz: Practise forecasting for the...