Achêne- Leignon Carte géologique de Wallonie à l'échelle 1:25.000. 54/5-6. Notice ; Achêne-Leignon. Geologic map of Wallonia (Belgium) at the scale of 1:25.000. 54/5-6. 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 edition of Lohest and Mourlon published in 1900 at the scale of 1/40.000 by the "Commisssion géologique de Belgique". Previously, the sheet "Achêne" has been mapped by Dupont and Mourlon at the scale of 1/20.000 for the "Musée Royal d'Histoire Naturelle de Belgique"but never published. ; Publication peer-reviewed ; Révision de la carte géologique de Wallonie. Recherches collectives d'intérêt général