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The Ordnance Survey still maintains a set of master geodetic reference points to tie Ordnance Survey geographic datum points to modern measurement systems such as GPS. Ordnance Survey maps of Great Britain use the Ordnance Survey National Grid rather than latitude and longitude to indicate position.
The Ordnance Survey Great Britain County Series maps were produced from the 1840s to the 1890s by the Ordnance Survey, with revisions published until the 1940s.The series mapped the counties of Great Britain at both a six inch and twenty-five inch scale with accompanying acreage and land use information.
Digimap is a web mapping and online data delivery service developed by the EDINA national data centre for UK academia. It offers a range of on-line mapping and data download facilities which provide maps and spatial data from Ordnance Survey, British Geological Survey, Landmark Information Group and OceanWise Ltd Ltd., (marine mapping data and charts from the UK Hydrographic Office ...
The Ordnance Survey Drawings are a series of 351 of the original preliminary drawings made by the surveyors of the Ordnance Survey between the 1780s and 1840 in preparation for the publication of the one-inch-to-the-mile "Old Series" of maps of England and Wales.
This work is in the public domain because it is an Ordnance Survey map over 50 years old. Ordnance Survey maps are covered by crown copyright which in this case expires 50 years after publication. Ordnance Survey does however ask that they be credited and that the date of publication be given.
Media in category "Old Ordnance Survey map images" The following 3 files are in this category, out of 3 total. 06-english map of 1915-detail- nla.obj-234275744.jpg 1,459 × 1,641; 669 KB
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.
Ordnance Survey does however ask that they be credited and that the date of publication be given. Any ancillary rights gained through the creation of the electronic version are granted as freely usable under any circumstances.