H3Dv2.1 A1220, drill with Trias (excluding Sleen) and Perm

This layer gives the drilling through the A1220, as defined in the hydrogeological 3D model of the Flemish substrate – version 2.1. 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本图层展示了弗拉芒基底（Flemish substrate）水文地质3D模型（hydrogeological 3D model）版本2.1中定义的A1220层钻探相关内容。该水文地质3D模型由弗拉芒环境署委托，依据弗拉芒政府与VITO签订的VLAKO管理协议框架编制完成。