Ordnance Survey MasterMap and VectorMap Local
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Large scale mapping in the UK is provided for by only one product, the Ordnance Survey (OS) MasterMap. OS does not allow anyone to market these maps under this specific brand name and so you will see it under various guises (Site Plan, Block Plan, Land Plan, 1250 map, etc.)....Explore the subscription options here to get full access to isurv, including downloads.
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