Copy letter from [Charles Frederick Arden] Close, Director General of the Ordnance Survey Office, to M. [Charles] Lallemand Acknowledges the circular letter and enclosure on the subject of the proposed formation of a Geodetic Association by the countries of the Entente [Allies of World War One]. Promises to submit the documents to the President of the Board of Agriculture, who will probably consult the Royal Society. 2 January 1918