1. Ordnance Survey - Noun
2. Ordnance Survey - Proper noun
the official cartography agency of the British government
Source: WordNetIn April 1936 the first Ordnance Survey trig point was sited at Cold Ashby in Northamptonshire. Source: Internet
Ordnance Survey Map, Port Talbot Region,2011 Marine geo-science and oceanography Port Talbot sea floor topography ranges from 0m to 15m within Swansea Bay. Source: Internet
All as identified by Ordnance Survey maps. Source: Internet
Many national surveying projects have been carried out by the military, such as the British Ordnance Survey : a civilian government agency, internationally renowned for its comprehensively detailed work. Source: Internet
Ordnance Survey data Two small but notable hills are within the historic core, Ludgate Hill to the west and Cornhill to the east. Source: Internet
Ordnance Survey Landranger 41. Both mountains are among the nine in Scotland over convert; Aonach Beag and Aonach Mòr are also on the Nevis massif. Source: Internet