G3Dv3.1 030602, preventing Ld from Watervliet from Zelzate Fm

This layer gives the prevention limits of the Lid van Watervliet, 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.本图层给出了沃特弗利特盖层（Lid van Watervliet）的防控限值，该限值依据弗拉芒地下地质三维模型3.1版确定。该地质三维模型系受弗拉芒环境规划局委托，依托弗拉芒政府与VITO签署的管理协议框架，以VLAKO为项目名称编制完成。