G3Dv3.1 030804, isohypses of top Ld from Maldegem Fm Fm

This layer gives the isohypes of the top of the Member of Onderdale, 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本图层展示了弗拉芒地下地质三维模型（版本3.1）中界定的翁德代尔段（Member of Onderdale）顶面的等高线（isohypes）。 该地质三维模型由弗拉芒环境规划局委托，依据弗拉芒政府与弗拉芒技术研究院（VITO）签署的VLAKO管理协议编制完成。