G3Dv3.1 030303, isohypses of top Ld of Terhagen of the Fm of Boom

This layer gives the isohypes of the top of the Member of Terhagen, as defined in the Geological 3D model of the Flemish Subsoil – version 3.1. The Geological 3D model was drawn up under the Flemish Government’s management agreement with VITO, known as VLAKO, on behalf of the Flemish Planning Bureau for Environment本图层呈现Terhagen段顶面的等高程等值线，相关定义源自佛兰德斯地下地质三维模型（Geological 3D model of the Flemish Subsoil）3.1版。该地质三维模型系代表佛兰德斯环境规划局，依据佛兰德斯政府与VITO签订的名为VLAKO的管理协议编制而成。