Existing and disappeared dikes in Zeeland

All existing and disappeared dikes of Zeeland inventoried by Bas Chamuleau. This data is under development and is continuously updated.由巴斯·沙穆洛（Bas Chamuleau）编目的泽兰省（Zeeland）现存与已消失堤坝数据集。本数据集尚处于开发阶段，将持续进行更新。