Ipswich Geological Group Bibliography Bulletin no.1 August 1966 Bulletin no.2 March 1967 Bulletin no.3 August 1967 Bulletin no.4 June 1968 Bulletin no.5 April 1969 Bulletin no.6 July 1969 Bulletin no.7 Autumn 1969 Bulletin no.8 September 1970 Bulletin no.9 January 1971 Bulletin no.10 August 1971 Bulletin no.11 December 1972 Bulletin no.12 September 1973 Bulletin no.13 December 1974 Bulletin no.14 March 1975 Bulletin no.15 August 1975 Bulletin no.16 January 1976 Bulletin no.17 May 1976 Bulletin no.18 September 1976 Bulletin no.19 Autumn 1977 Bulletin no.20 April 1980 Bulletin no.21 May 1980 Bulletin no.22 May 1982 Bulletin no.23 June 1982 No 1 p.13 p.14 p.15 p.16 p.17 p.18 p.19 p.20 p.8 p.9 p.10 p.11