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Amgueddfa Cymru
Collection of six N.C.B. documents relating to the future of Big Pit. 2001.1/346 (1) - letter dated 4 October 1977. 2001.1/346 (2) - letter dated 6 October 1977. 2001.1/346 (3) - letter dated 14 November 1975 stapled to letter dated 7 November 1975. 2001.1/346 (4) - three page report "Proposals for the Continued Working of the Blaenavon Mine". 2001.1/346 (5) eight page "Report on Proposals by the National Coal Board to Amalgamate Collieries at the Northernend of the Eastern Valley of Monmouthshire". Stapled top left. 2001.1/346 (6) - four page report "Blaenavon Colliery. Coal Reserves Investigation - 7th December 1979".
