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Amgueddfa Cymru – Museum Wales
Letter typed in black ink on white paper. Powell Duffryn Associated Collieries Limited headed paper. Letter from W.A.Morgan, Mountain Ash to G.S. Morgan of Deep Duffryn Colliery, informing him that Lower Duffryn Colliery was being transferred from the Aberdare group to the Mountain Ash group of Collieries, over which Mr G.S Morgan would become manager. Dated 12 June 1939.
