G3Dv3.1 020802, prevention of Ld van Houthalen from the Fm van Bolderberg outside the Roerdalslenk

This layer gives the prevention limits of the Member of Houthalen, 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.本图层给出了侯塔伦（Houthalen）辖区的防护限值，该限值由弗拉芒大区地下地质三维模型（版本3.1）所界定。该地质三维模型由弗拉芒环境规划局委托，以VLAKO项目之名，在弗拉芒政府与VITO（弗拉芒技术研究院）签订的管理协议框架下编制完成。