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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.
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 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.
PDF file including history and map of the Irish part and its links to Britain; Information and Maps on many aspects of Triangulation (& Levelling) in Great Britain "History Section - Corps History". Royal Engineers Museum. Archived from the original on 2006-08-29 – via Archive.org. "Major General William ROY (1726-1790)". Royal Engineers Museum.
100km squares Grid square TF. The map shows The Wash and the North Sea, as well as places within the counties of Lincolnshire, Cambridgeshire and Norfolk.. The first letter of the British National Grid is derived from a larger set of 25 squares of size 500 km by 500 km, labelled A to Z, omitting one letter (I) (refer diagram below), previously used as a military grid. [4]
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Ordnance Survey Ireland (OSI; Irish: Suirbhéireacht Ordanáis Éireann) was the national mapping agency of the Republic of Ireland.It was established on 4 March 2002 as a body corporate. [1]
Google Map interface; 1843 Ordnance Survey 6-inch First Edition Ordnance Survey: Scale 6 inches to 1 mile. OSI Mapviewer zoomable; 1848 Dublin. The General Post Office Directory Google Map interface; 1848 Environs of Dublin S. Orr and Co, Amen Corner, London Google Map interface; 1851 General Map of the Environs of Dublin and parts of Wicklow