the Somme from the downstream side of the Pont de la Portelette bridge at Abbeville to the viaduct of the Noyelles to Saint-Valéry-sur-Somme railway;
Somme od spodnje strani mostu Pont de la Portelette bridge pri Abbevillu do viadukta pri Noyellesu do železnice Saint-Valéry-sur-Somme;