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The original draftsman's drawings for the area around St Columb Major in Cornwall, made in 1810. Detail from 1901 Ordnance Survey map of the Imperial fortress colony of Bermuda (showing St. George's Town and St. George's Garrison), compiled from surveys carried out between 1897 and 1899 by Lieutenant Arthur Johnson Savage, Royal Engineers.
The Ordnance Survey Great Britain County Series maps were produced from the 1840s to the 1890s by the Ordnance Survey, with revisions published until the 1940s.The series mapped the counties of Great Britain at both a six inch and twenty-five inch scale with accompanying acreage and land use information.
OS MasterMap. The OS MasterMap is the premier digital product of the Ordnance Survey. It was launched in November 2001. It is a database that records every fixed feature of Great Britain larger than a few meters in one continuous digital map. Every feature is given a unique TOID (TO pographical ID entifier), a simple identifier that includes no ...
Thomas Colby, the long-serving Director-General of the Ordnance Survey in Great Britain, was the first to suggest that the Ordnance Survey be used to map Ireland. A highly detailed survey of the whole of Ireland would be extremely useful for the British government, both as a key element in the process of levying local taxes based on land ...
Digimap is a web mapping and online data delivery service developed by the EDINA national data centre for UK academia. It offers a range of on-line mapping and data download facilities which provide maps and spatial data from Ordnance Survey, British Geological Survey, Landmark Information Group and OceanWise Ltd Ltd., (marine mapping data and charts from the UK Hydrographic Office ...
The Ordnance Survey National Grid reference system (OSGB), also known as British National Grid (BNG), [1][2] is a system of geographic grid references, distinct from latitude and longitude, whereby any location in Great Britain can be described in terms of its distance from the origin (0, 0), which lies to the west of the Isles of Scilly. [3]
The Land Cover Map of Great Britain (1990) was the first comprehensive survey since the Second Land Use Survey. This used satellite imagery, with ground survey used for checking. [ 9 ] The end product is a digital dataset rather than paper mapping, providing classification of land cover types into 25 classes, at a 25m (or greater) resolution.
Collins wrestled with the Ordnance Survey ultimatum for some 14 months, before deciding to proceed with full colour mapping, and seven regional guides were produced, in a format which was still current in 2019. They also produced a fold-out waterways map, and later guides to the Broads and the Scottish Canals.