50.054394 7.250169 50.058876 7.252480 50.054394 7.250169 50.058876 7.252480 50.054394 7.250169 50.055454 7.251463 50.055970 7.251871 50.057017 7.252014 50.057793 7.251673 50.058599 7.251864 50.058724 7.252142 50.058876 7.252480 173416 Entwicklung Quellen und Quellbäche Biotopkataster Linien