G3Dv3.1 031801, isohypses of top Ld of Grandglise of Hannut Fm

This layer gives the isohypses of the top of the Member of Grandglise, 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.本图层展示了佛兰德斯地下地质三维模型（版本3.1）中定义的Grandglise段顶面的等高程线（isohypses）。该地质三维模型是在佛兰德斯政府与VITO签订的管理协议框架下，以VLAKO为名，代表佛兰德斯环境规划局编制完成的。