50.403472 6.856648 50.404137 6.857113 50.403472 6.856648 50.404137 6.857113 50.404137 6.856648 50.404080 6.856729 50.404079 6.856739 50.404047 6.856761 50.404020 6.856782 50.403972 6.856919 50.403958 6.856970 50.403947 6.857003 50.403915 6.857064 50.403888 6.857113 50.403841 6.857094 50.403778 6.857073 50.403690 6.857040 50.403605 6.857003 50.403540 6.856978 50.403479 6.856960 50.403472 6.856956 159992 Entwicklung Quellen und Quellbäche Biotopkataster Flächen