50.562046 7.508740 50.563450 7.509880 50.562046 7.508740 50.563450 7.509880 50.563450 7.508768 50.563393 7.508740 50.563342 7.508753 50.563122 7.508808 50.562921 7.509072 50.562694 7.509370 50.562477 7.509607 50.562229 7.509836 50.562046 7.509880 167685 Entwicklung Quellen und Quellbäche Biotopkataster Flächen