50.640623 7.400951 50.641517 7.402690 50.640623 7.400951 50.641517 7.402690 50.641517 7.400951 50.641486 7.401108 50.641466 7.401204 50.641462 7.401254 50.641397 7.401368 50.641271 7.401582 50.641093 7.401833 50.640911 7.402122 50.640740 7.402387 50.640623 7.402690 167779 Entwicklung Quellen und Quellbäche Biotopkataster Flächen