H3Dv2 A0434 preventing clay sand of Alden Biesen

This layer gives the limits of A0434 as defined in the hydrogeological 3D model of the Flemish subsoil. The hydrogeological 3D model was drawn up in the framework of the Flemish Government’s management agreement with VITO, known as VLAKO, on behalf of the Flemish Environmental Agency本图层明确了佛兰德斯地下土层水文地质三维模型中所定义的A0434的边界范围。该水文地质三维模型系受佛兰德斯环境署委托，在佛兰德斯政府与VITO签订的名为VLAKO的管理协议框架下编制完成。