G3Dv3.1 030503, isohypses of top Ld van Henis and Boutersem of the Fm van Borgloon

This layer gives the isohypses of the top members of Henis and Boutersem, as defined in the Geological 3D model of the Flemish subsurface - version 3.1. The Geological 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 Environmental Planning Bureau.