50.737237 7.948086 50.737867 7.948588 50.737237 7.948086 50.737867 7.948588 50.737867 7.948588 50.737728 7.948452 50.737675 7.948400 50.737625 7.948335 50.737555 7.948252 50.737500 7.948217 50.737415 7.948171 50.737320 7.948114 50.737248 7.948086 50.737237 7.948089 156676 Entwicklung Quellen und Quellbäche Biotopkataster Flächen