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The Ordnance Survey National Grid reference system (OSGB), also known as British National Grid (BNG), [1] [2] is a system of geographic grid references, distinct from latitude and longitude, whereby any location in Great Britain can be described in terms of its distance from the origin (0, 0), which lies to the west of the Isles of Scilly.
The United States National Grid (USNG) is a multi-purpose location system of grid references used in the United States. It provides a nationally consistent "language of location", optimized for local applications, in a compact, user friendly format. It is similar in design to the national grid reference systems used in other
The Davidson Committee's final report set the Ordnance Survey on course for the 20th century. The metric national grid reference system was launched and a 1:25000-scale series of maps was introduced. The one-inch maps continued to be produced until the 1970s, when they were superseded by the 1:50000-scale series – as proposed by William Roy ...
The project is sponsored by the Ordnance Survey, and extracts from the OS Landranger 1:50,000 scale maps illustrate the grid square pages. Geograph Project Limited is a charity registered in England and Wales, [ 5 ] and the name Geograph is trademarked.
OS MasterMap Address Layer 2 is a dataset that describes the location of addresses. It is designed to be used as a means of geo-referencing addresses and attempts to improve on Address Point. Address Layer is a part of the National Spatial Address Infrastructure and contains National Land and Property Gazetteer attributes that classify ...
The Ordnance Survey National Grid (United Kingdom) and other national grid systems use similar approaches. In Ordnance Survey maps, each Easting and Northing grid line is given a two-digit code, based on the British national grid reference system with an origin point just off the southwest coast of the United Kingdom. The area is divided into ...
Full "ten figure" grid reference Ireland: i888_999: Letter 'i' followed by two decimal numbers - eastings then northings in metres separated by an underscore R: Standard grid references. In each of these cases, the actual coordinates passed to the map sources page will be the centre of the square that the grid ref defines R16 R1267 R123678 ...
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 commercial map producers) based on those surveys. Additionally grid ...