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F
Gwybodaeth Cefndir
Background Information----------------------------------------------------
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F
Pecyn Addysg CA2 a CA3
KS2 and KS3 Education Pack----------------------------------------------------
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F
Canolfan y Dechnoleg Amgen
Centre for Alernative Technology----------------------------------------------------
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F
Cyngor Cefn Gwlad Cymru Gwarchodfa Natur Genedlaethol Dyfi
Countryside Council for Wales Dyfi National Nature Reserve----------------------------------------------------
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F
Coetiroedd Dyfi
Dyfi Woodlands----------------------------------------------------
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F
Addysg Ffermio a Chefn Gwlad
Farm and Countryside Education----------------------------------------------------
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F
Ymddiriedolaeth Natur Sir Drefaldwyn
Montgomeryshire Wildlife Trust----------------------------------------------------
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F
RSPB
----------------------------------------------------
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F
CA3 a CA4 Biosffer Dyfi a Byd Gwaith
KS3 and KS4: The Dyfi Biosphere and the World of Work----------------------------------------------------