50.520773 7.405702 50.521138 7.409797 50.520773 7.405702 50.521138 7.409797 50.521138 7.405702 50.521074 7.405733 50.521024 7.405802 50.520987 7.405923 50.520890 7.406097 50.520816 7.406367 50.520792 7.406689 50.520877 7.406956 50.520965 7.407297 50.520988 7.407747 50.520912 7.408174 50.520812 7.408542 50.520773 7.408895 50.520793 7.409286 50.520822 7.409630 50.520872 7.409797 167657 Entwicklung Quellen und Quellbäche Biotopkataster Flächen