- Last updated
- January 1, 1843
- Terms of use
-
- Organization
- Kanton Wallis - CC GEO
- Categories
- Regions and cities, Environment
Description
The first official map of Switzerland. First issued between 1844 and 1864, updated up to 1939. 25 sheets. Map format: 70 x 48 cm = 3360 km2. Representation of the terrain: Shaded hachures. Form of reproduction: Copperplate engraving. Printing process: Gravure printing (also planographic printing from 1905). Number of colours: 1 (2 from 1908 and 3 from 1938). Untrue equal-area conic projection. Ellipsoid: Schmidt 1828. Starting altitude: (Repère Pierre du Niton 376.2 metres above sea level).
Resources
Showcases
Additional information
- Identifier
- d12f970f-6a83-4c33-8cfe-7504b6a5dca9@canton-du-valais-cc-geo
- Issued date
- January 1, 1843
- Modified date
- -
- Conforms to
- -
- Publisher
- Federal Office of Topography swisstopo
- Contact points
- geodata@swisstopo.ch
- Languages
- Language independent
- Further information
- geocat.ch permalink
- Landing page
- https://www.swisstopo.admin.ch/fr/carte-dufour-digitale
- Documentation
- -
- Temporal coverage
- -
- Spatial coverage
- Dufourkarte
- Update interval
- Irregular
- Metadata Access
- API (JSON) Download XML
