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Belgium (Eastern Wallonia)
9
Caledonian
9
Cambrian
9
Earth sciences & physical geography
9
Hercynian
9
LIDaR
9
Ordovician
9
Physical
9
Physique
9
Quaternary
9
Sciences de la terre & géographie physique
9
Stavelot-Venn Massif
9
Tertiary
9
chemical
9
chimie
9
geological mappin
9
lithalsas
9
mathematical & earth Sciences
9
mathématiques & sciences de la terre
9
periglacial morphologies
9