OS MasterMap - User Guide
This is an official Ordnance Survey document relating to OS MasterMap in its raw format as a database product. Some of the technical detail does not apply to certain output formats, most notably 'print only' formats.
Part 1 – User guide
This part of the user guide contains an overview of OS MasterMap and an introduction to each of the layers. It also contains useful information about managing OS MasterMap data, using the online service, feature life cycles and quality statements.