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National Mapping Agency
A national mapping agency is an organisation, usually publicly owned, that produces topographic maps and geographic information of a country. Some national mapping agencies also deal with cadastral matters. According to 2007/2/EC European directive, national mapping agencies of European Union countries must have publicly available services for searching, viewing and downloading their spatial data. Maps produced by some of them are available under a free license that allows re-use, such as a Creative Commons license. History Ordnance Survey The first national mapping agency was the Ordnance Survey in the United Kingdom; its roots go back to 1747, when the compilation of a map of the Scottish Highlands was proposed. This survey at a scale of 1 inch to 1000 yards (1:36,000) was the starting point of the Principal Triangulation of Great Britain (1783–1853), and led to the creation of the Ordnance Survey itself; work was begun in earnest in 1790, when the Board of Ordna ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ordnance Survey Drawings - St
Ordnance may refer to: Military and defense *Materiel in military logistics, including weapons, ammunition, vehicles, and maintenance tools and equipment. **The military branch responsible for supplying and developing these items, e.g., the United States Army Ordnance Corps *Artillery, often in a formal name, e.g., "Ordnance Survey". *Artillery Shell (projectile), shells, specifically unexploded ordnance. *Aircraft ordnance, weapons carried by and used by an aircraft. Places *Ordnance, Oregon, a former community near the Umatilla Chemical Depot *Ordnance Island, formerly a Royal Army Ordnance Corps Supply depot, depot, in St. George's, Bermuda, St. George's Town, Bermuda Maps-related *Ordnance datum (from use in ballistics), a vertical datum used as the basis for deriving altitudes on maps *Ordnance Survey, the national mapping agency for Great Britain See also *Ordnance Corps (other) {{disambiguation, geo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |