Seraing-Chênée n°42/5-6.Carte géologique de Wallonie à l'échelle du 1/25.000. Notice explicative ; Geological map of Wallonia at the scale of 1/25.000. Seraing-Chênée n°42/5-6. Leaflet.

Manuscript submitted for reviewing (2019); leaflet of the 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 1897 (at the scale of 1/40.000, by Henri Forir & Michel Mourlon). ; Révision de la carte géologique de la Wallonie. Recherches collectives d'intérêt général