H3Dv2 A0441, isohypses from top Clay from Henis

This layer gives the isohypses of the top of A0441, as defined in the Hydrogeological 3D model of the Flemish subsurface. The Hydrogeological 3D model was drawn up in the framework of the management agreement of the Flemish government with VITO, under the name VLAKO, on behalf of the Flemish Environment Agency.