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Amgueddfa Cymru – Museum Wales
Map of Felin Fran Colliery, Glais, relating to the explosion on 6th April 1947. Scale 20ft to an inch.
Full title - L.A. Thomas Aged 21 yrs. Felin-Fran Colliery. (Graigola-Seam). Scene of Explosion April 6th 1947. (Easter Sunday Aprox 11am).
