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OS bicentenary

Language: English Series: Land & Minerals Surveying ; 9(4) April 1991, 23 pages (LOAN)Publication details: 1991Subject(s): Summary: Supplement to celebrate the Ordnance Survey `s bicentenary ; follows the progress of the OS to today`s mapping technology.

Supplement to celebrate the Ordnance Survey `s bicentenary ; follows the progress of the OS to today`s mapping technology.