G3Dv3.1 010202, isohypes of top Ld of De Haan of the Fm of Flanders

This layer gives the isohypses of the top of the Member of De Haan, 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 heading VLAKO, commissioned by the Flemish Environmental Planning Agency本图层展示了弗拉芒地下地质三维模型（版本3.1）中所定义的德哈恩段（De Haan Member）顶面等标高线。该地质三维模型由弗拉芒环境规划署委托，在弗拉芒政府与VITO签订的管理协议框架下，以VLAKO为项目主题编制完成。