50.504850 7.420579 50.505172 7.425431 50.504850 7.420579 50.505172 7.425431 50.505162 7.425431 50.505172 7.425322 50.505156 7.425221 50.504982 7.424507 50.504866 7.423889 50.504850 7.423528 50.504903 7.423119 50.504931 7.422659 50.504903 7.422171 50.504915 7.421850 50.504967 7.421631 50.504981 7.421211 50.505003 7.420765 50.504971 7.420579 167647 Entwicklung Quellen und Quellbäche Biotopkataster Flächen