File 'NIG 231 BNCCIG [British National Committee for Co-operation in Geophysics] Meetings D (closed)', minutes and correspondence, 1960-1961 Correspondence regarding the British National Committee for Cooperation in Geophysics, transfer of the Antarctic Analysis Subcommittee to the new National Committee British National Committee for Cooperation in Geophysics reports: International Geophysical Programmes for 1961-1963; Functions of the Committee International Relations Committee meeting minutes International Relations Committee; Formation of British National Committee for Cooperation in Geophysics 1960-1961