Durbuy-Mormont. Carte géologique de Wallonie. 55/1-2. Notice explicative ; Durbuy-Mormont. Geological map of Wallonia (Belgium). 55/1-2. Leaflet

New geological map of Wallonia published at the scale of 1/25.000, based on a new field work and using previous scientific data produced since the previous editions in 1885 (sheet Durbuy, 1/20.000, by Dupont and Purves) and 1905 (Durbuy-Mormont, 1/40.000, by Stainier, Commission géologique de Belgique) ; Révision ; Révision de la carte géologique de Wallonie - Recherche collective d'intérêt général