50.429062 6.869412 50.429888 6.872574 50.429062 6.869412 50.429888 6.872574 50.429853 6.872574 50.429872 6.872471 50.429888 6.872363 50.429853 6.872234 50.429822 6.871999 50.429767 6.871800 50.429676 6.871288 50.429597 6.871013 50.429483 6.870702 50.429396 6.870391 50.429251 6.870086 50.429136 6.869746 50.429066 6.869430 50.429063 6.869423 50.429062 6.869412 160089 Entwicklung Quellen und Quellbäche Biotopkataster Flächen