Former mine wells in the Nord-Pas-de-Calais mining basin

The base was achieved by cross-checking two main sources: — the updated catalogue of the HBNPDC Fosse and Well Inventory updated in 1984 — the BRGM geolocation database The archive contains the database in ESRI Shapefile format, the data dictionary and the open license v2.0本数据集的基础数据通过交叉比对两大主要来源构建完成： — 1984年更新的HBNPDC坑槽与井名录（Fosse and Well Inventory） — BRGM地理定位数据库 该归档文件包含ESRI Shapefile格式的数据库、数据字典以及v2.0版开放许可协议。