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Ordnance Survey Ireland. 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] It was the successor to the former Ordnance Survey of Ireland. It and the Ordnance Survey of Northern Ireland (OSNI) were ...
After the Ordnance Survey published its first large-scale maps of Ireland in the mid-1830s, the Tithe Act 1836 led to calls for a similar six-inch to the mile survey in England and Wales. Official procrastination followed, but the development of the railways added to pressure that resulted in the Ordnance Survey Act 1841 ( 4 & 5 Vict. c. 30 ...
The Ordnance Memoir of Ireland was a projected 1830s topography of Ireland to be published alongside the maps of the Ordnance Survey of Ireland using materials gathered by surveyors as they traversed the country. The project was cancelled in 1840 as too expensive and beyond the survey's original scope.
In general, neither Ireland nor Great Britain uses latitude or longitude in describing internal geographic locations. Instead grid reference systems are used for mapping.. The national grid referencing system was devised by the Ordnance Survey, and is heavily used in their survey data, and in maps (whether published by the Ordnance Survey of Ireland, the Ordnance Survey of Northern Ireland or ...
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. The exact location lies at the Irish Transverse ...
Thomas Frederick Colby FRS FRSE FGS FRGS (1 September 1784 – 9 October 1852), was a British major-general and director of the Ordnance Survey (OS). A Fellow of the Royal Astronomical Society and Royal Society, Colby was one of the leading geographers of his time. An officer in the Royal Engineers, Colby overcame the loss of one hand in a ...
Tailte Éireann (lit. ' Irish Lands ') is a state agency in Ireland responsible for property registrations, property valuation and national mapping services. It was established on 1 March 2023 from a merger of the Property Registration Authority (PRA), the Valuation Office (VO) and Ordnance Survey Ireland (OSI).
Griffith's background. Richard John Griffith started to value land in Scotland, where he spent two years in 1806-1807 valuing terrain through the examination of its soils. He used 'the Scotch system of valuation' and it was a modified version of this that he introduced into Ireland when he assumed the position of Commissioner of Valuation.