Map of the "Champagne crayeuse" (Chalked Champagne), in France.
  Cretacean rendzinas
  Vineyard borders
  International boundaries
  French departments borders
  River
 Department prefecture
 Important cities
Cartographic data :

Projection Lambert 1 (Northern France)
Limits of the map : N 50.2, W 2.8, S 47.9, E 5.4
Boundaries, cities and rivers : OpenStreetMap
Relief : NASA Shuttle Radar Topography Mission (SRTM3 v.2)
Rendzinas : Corine European soil database version 2, European Environment Agency
Vineyards : File:Vignobles champagne.svg by DalGobboM under licence GFDL or CC-BY-SA 3.0
Sémhur (talk)