49.717100 7.840393 49.717545 7.845990 49.717100 7.840393 49.717545 7.845990 49.717100 7.840393 49.717431 7.841194 49.717545 7.842148 49.717313 7.842927 49.717131 7.844215 49.717151 7.845062 49.717355 7.845990 180283 Entwicklung Quellen und Quellbäche Biotopkataster Flächen