50.447589 6.786350 50.449205 6.786916 50.447589 6.786350 50.449205 6.786916 50.449205 6.786589 50.449055 6.786521 50.448903 6.786460 50.448690 6.786369 50.448503 6.786350 50.448325 6.786393 50.448014 6.786624 50.447812 6.786836 50.447622 6.786904 50.447589 6.786916 160149 Entwicklung Quellen und Quellbäche Biotopkataster Flächen