Silenrieux - Walcourt. Carte géologique de la Wallonie à l'échelle 1:25.000. 52/7-8. Notice ; Silenrieux - Walcourt. Geological map of Wallonia (Belgium) at the scale of 1:25.000. 52/7-8. 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 Mourlon and Bayet, published in 1899 at the scale of 1/40.000 by the "Commission Géologique de Belgique". ; Publication peer-reviewed ; Révision de la carte géologique de la Wallonie. Recherches collectives d'intérêt général