Data © Bruno Besson, CHNOS5808, Christophe Bordieu, Fabrice Moisson, Laurent4290, Martial Givaudan, Mickaël Souveton, Pascal Faudou, botop, botopo, rabot, yen-a-marre, yo via Camptocamp · CC BY-SA 3.0 France. Selected metadata; coordinates, hierarchy and grade fields adapted for Betabace.
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