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The vicinity surrounding the St. Pancras site of the British Library.

OS Viewer screenshot

This screenshot of the UK Legal Deposit Libraries' OS Viewer allows viewing for two vintages of digital mapping alongside each other. Here, the 2008 map on the left illustrates OS MasterMap™ data, and the 1998 data (right) is OS's former digital product, Land-Line™. ©Crown Copyright. Reproduced by permission of Ordnance Survey®