G3Dv3 0403, drillings with base Fm from Aachen

This layer gives the drilling through the basis of the Formation of Aachen, as defined in the Geological 3D model of the Flemish subsoil. 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本图层涵盖弗拉芒地下地质三维模型所定义的亚琛地层（Aachen Formation）基底钻探相关数据。该地质三维模型由弗拉芒环境规划局牵头，依据弗拉芒政府与VITO签订的VLAKO管理协议编制而成。