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Keywords from Image Description:
Canal d'Entreroches Dufour Map . br Canal Entreroches on the Dufour Map Topographic Map of Switzerland Extract of sheet Pontarlier from br Canal Entreroches auf der Dufourkarte Topographische Karte der Schweiz Ausschnitt aus dem Blatt Pontarlier von before Bundesamt fr Landestopografie swisstopo Eidgenssisches Topographisches