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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 ...
- Ordnance Survey Ireland
Ordnance Survey Ireland (OSI; Irish: Suirbhéireacht Ordanáis...
- Ordnance Survey
In 1922, devolution in Northern Ireland led to the creation...
- Ordnance Survey Ireland
Ordnance Survey of Northern Ireland (OSNI) has started work to collect highly accurate 3D digital data, known as point cloud data in areas across Northern Ireland.
Search and browse a range of historical Ordnance Survey of Northern Ireland (OSNI) maps and find information on sites, buildings and landmarks of historical interest.
Find out about LPS and the history of the Ordnance Survey of Northern Ireland (OSNI).
Oct 23, 2021 · They're known as benchmarks, once used by the Ordnance Survey (OS) to record the height above sea level of a location. Some of them date back to the early 19th Century when Ireland was mapped.
