org/licenses/by-sa/4.0CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English French Carte OSM de Calais, Pas-de-Calais determination method: SHA-1
https://creativecommons.org/licenses/by-sa/4.0CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English French Carte OSM de Méricourt (Pas-de-Calais)
https://creativecommons.org/licenses/by-sa/4.0CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English French Carte OSM de Saint-Omer (Pas-de-Calais)