Minutes and administrative papers of the National Executive Committee of the Campaign for the Protection of Rural Wales, 1958, 1972-1982; Caernarfonshire branch records, 1943-1983; local groups' correspondence files, 1952-1980; subject files containing correspondence and reports, 1945-1980, including Snowdonia National Park, 1945-1979; industrial development, 1942-1981; roads and transport, 1947-1980; forestry, 1947-1980; caravans and holiday accommodation, 1941-1979; and miscellaneous photographs of architecture, rural landscapes and eyesores, including litter, derelict buildings, and obtrusive signs and aerials.