50.778473 7.778171 50.778678 7.779105 50.778473 7.778171 50.778678 7.779105 50.778678 7.779105 50.778653 7.779070 50.778615 7.779016 50.778600 7.778975 50.778564 7.778752 50.778560 7.778572 50.778528 7.778311 50.778473 7.778171 156758 Entwicklung Quellen und Quellbäche Biotopkataster Flächen