Jurassic flint : 2D documentation Upper Jurassic
Jurassic flint : 2D documentation Upper Jurassic
Villemaur-sur-Vanne : 3D documentation Cretaceous
Villemaur-sur-Vanne : 3D documentation Cretaceous
Jurassic flint : 3D documentation Upper Jurassic
Nointel : 2D documentation Flint mine. Flint was extracted from shallow shafts, sometimes with short walkways
Villemaur-sur-Vanne : 3D documentation Cretaceous
Villemaur-sur-Vanne : 3D documentation Cretaceous