General levelling of France

Article
Talk

You can help expand this article with text translated from the corresponding article in French. (August 2010) Click [show] for important translation instructions.

View a machine-translated version of the French article.
Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia.
Consider adding a topic to this template: there are already 1,610 articles in the main category, and specifying|topic= will aid in categorization.
Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article.
You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing French Wikipedia article at [[:fr:Nivellement général de la France]]; see its history for attribution.
You may also add the template {{Translated|fr|Nivellement général de la France}} to the talk page.
For more guidance, see Wikipedia:Translation.

The General Levelling of France (niveau général de la France or NGF) forms a network of benchmarks in mainland France and Corsica, now overseen by the Institut Géographique National. It is now the official levelling network in mainland France. It is made up of two networks:

NGF - IGN69 for mainland France, with the 'zero level' determined by the tide gauge at Marseille
NGF - IGN78 for Corsica, with the 'zero level' determined by the tide gauge at Ajaccio

43°16′42″N 5°21′12″E / 43.27833°N 5.35333°E / 43.27833; 5.35333

Retrieved from "https://en.wikipedia.org/w/index.php?title=General_levelling_of_France&oldid=1174980215"