Map Viewing Service (WMS) of the dataset: Linear table of indices of underground cavities according to their origin on the CU of Arras

Title: Linear table of indices of underground cavities according to their origin on the CU of Arras Description: Cavities of the Urban Community of Arras Linear localisation of subterranean cavity indices (cast, subsidence, wells...) according to their origin (exploitation, cellar, military) including a precision value. Cavity located imprecisely in the middle of the street. Source: DDTM62/SDE Vintage: 15/03/2022 Dissemination: open标题：阿拉斯城市共同体（CU, Urban Community of Arras）范围内按成因分类的地下空洞指标线性表 描述：本数据集收录阿拉斯城市共同体地下空洞相关信息，包含按成因（开采、地窖、军事用途）分类的地下空洞指标（衬砌空洞、沉降空洞、水井等）的线性空间定位数据，并附带精度值。部分空洞位置精度不足，仅可确定位于街道中段。 来源：DDTM62/SDE 数据时效：2022年3月15日 分发权限：开放