50.340183 6.949521 50.342447 6.949983 50.340183 6.949521 50.342447 6.949983 50.340183 6.949674 50.340263 6.949754 50.340347 6.949827 50.340656 6.949983 50.340916 6.949925 50.341288 6.949904 50.341562 6.949964 50.341704 6.949862 50.341904 6.949689 50.342447 6.949521 159859 Entwicklung Quellen und Quellbäche Biotopkataster Flächen