Enclosure L - Minutes of a meeting of the National Committee for Geodesy and Geophysics Contains; Minutes of a meeting of the National Committee for Geodesy and Geophysics of 15 April 1948 [3p] Minutes of a meeting of the Sub-Committee on General Policy of Union, National Committee for Geodesy and Geophysics, of 27 November 1947 [2p] 15 April 1948