OpenStreetMap is a map database maintained by a community of volunteers via open collaboration. Contributors collect data from surveys, trace from aerial photo imagery or satellite imagery, and import
Editing with JOSM after a ground survey
Surveying routes with a satellite navigation device
Field survey in various parts of the Guagua by a group of mappers. They took notes and photos, and recorded GPS tracks. Shown in the photo is the Betis group standing beside one of the Death March trail monuments.
A device on the dashboard of a Sydtrafik bus in Denmark tracks the operator's route using OSM data.
The Ordnance Survey is the national mapping agency for Great Britain. The agency's name indicates its original military purpose, which was to map Scotland in the wake of the Jacobite rising of 1745. T
OpenStreetMap
…The OpenStreetMap website itself is an online map, geodata search engine, and editor. OpenStreetMap was created by Steve Coast in response to the Ordnance Survey, the United Kingdom's national mapping agency, failing to release its data to the public under free licences in 2004. Initially, maps in OSM were created…
Pollokshaws on Roy's Military Survey of Scotland (1747–1755)
The original 1810 draftsman's drawings for the area around St Columb Major, Cornwall.
Detailed scan of a complete 7th series sheet
Grid square TF from the Ordnance Survey National Grid at 1:250,000 scale. Shown: the Wash, the North Sea, parts of Lincolnshire, Cambridgeshire and Norfolk.