Map layer labeling catchment areas NRW (GSK3C, edition 30.11.2010)

The map layer “Inscription River Basin Areas” represents the inscription of the catchment areas of the rivers in North Rhine-Westphalia with the area key figures.地图图层“流域标注区域（Inscription River Basin Areas）”用于展示北莱茵-威斯特伐利亚州（North Rhine-Westphalia）内各河流集水区的标注信息，并附带面积关键统计指标。