Notes on the Supply of Ordnance Survey Digital Data --------------------------------------------------- Directory Structure ------------------- The directory structure is shown below: ROOT | ------------ | | DATA DOC The ROOT directory will contain the following ASCII text file: o This file - README.TXT. The DATA directory has a sub-directory with the data files. The DATA directory has a sub-directory with georeferencing files. The DOC directory will contain the following ASCII text files: o LICENCE.TXT - important licence information. o INDEX.TXT - list of tiles supplied. o 100km grid square references.PDF - an overview of the GB grid squares.