G3Dv3.1 030102, isohypses from base Ld van Veldhoven of the Fm van Voort

This layer gives the isohypses of the base of the Lid van Veldhoven, 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.本图层展示了维尔德霍芬层（Lid van Veldhoven）基底的等海拔等值线（isohypses），其定义源自弗拉芒地下地质三维模型（Geological 3D model）3.1版。该地质三维模型系由弗拉芒环境规划局代表弗拉芒大区政府，在其与VITO达成的管理协议框架下，以VLAKO为项目名称编制完成。