H3Dv2.1 A0904, Orchies top clay fractures, Mont-Héribu and De Zoute

This layer gives the fractions through the top of A0904, as defined in the Hydrogeological 3D model of the Flemish subsurface — version 2.1. The Hydrogeological 3D model was drawn up in the framework of the management agreement of the Flemish government with VITO, under the heading VLAKO, commissioned by the Flemish Environment Agency.本图层提供了版本2.1的佛兰德斯地下层水文地质三维模型（Hydrogeological 3D model）中所定义的A0904顶部组分占比。该水文地质三维模型是在弗拉芒政府与VITO签订的管理协议框架下，以VLAKO为项目主题，由弗拉芒环境署委托编制而成。