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Mountjoy House, the headquarters of Ordnance Survey Ireland, in the Phoenix Park, Dublin. 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 ...
The following is a list of notable historical maps of Dublin City and County Dublin. Year ... OSI Mapviewer zoomable; 1848 ... GeoHive map viewer zoomable; 1912
In September 2015 the history of the Ordnance Survey was the subject of a BBC Four TV documentary entitled A Very British Map: The Ordnance Survey Story. [52] On 10 June 2019 the Department for Business, Energy and Industrial Strategy (BEIS) appointed Steve Blair as the Chief Executive of the Ordnance Survey.
The memoirs are a useful primary source for local history and genealogy of the period shortly before the Great Famine. Materials gathered for the projected memoir included: 1824–1830 journals of the officers of the Royal Engineers in conformance to the "blue book" of instructions from Thomas Colby as head of the Ordnance Survey of Ireland.
Ordnance Survey of Northern Ireland (OSNI) is the official mapping agency of Northern Ireland.The agency ceased to exist separately on 1 April 2008 when it became part of Land and Property Services, an executive agency of the Northern Ireland Department of Finance and Personnel, along with the Rate Collection Agency, the Valuation and Lands Agency, and the Land Registry.
A detailed (42-page) PDF file including history and map of the Irish grid and its links to Britain; A two-page article for the American Society for Photogrammetry and Remote Sensing summarising the above. History and overview of the system, from OSI; OSI online coordinate converter tool; Clickable webmap that shows Irish grid references
An illustration of ITM coordinates over a map of Ireland. Eastings are on the top/bottom. Northings are on the right/left. Irish Transverse Mercator (ITM) is the geographic coordinate system for Ireland. It was implemented jointly by the Ordnance Survey Ireland (OSi) and the Ordnance Survey of Northern Ireland (OSNI) in 2001.
The Geographical Centre of Ireland, according to an investigation and calculation carried out by the Official Irish Government Mapping Agency, Ordnance Survey Ireland (OSI) published on the official OSI website on 24 February 2022 is near the village of Castletown Geoghegan, County Westmeath.