50.351034 6.503662 50.352264 6.504611 50.351034 6.503662 50.352264 6.504611 50.351034 6.503662 50.351037 6.503672 50.351182 6.504022 50.351271 6.504146 50.351445 6.504265 50.351559 6.504341 50.351561 6.504342 50.351658 6.504387 50.351725 6.504414 50.351786 6.504463 50.351833 6.504501 50.351911 6.504532 50.352177 6.504611 50.352264 6.504555 177050 Entwicklung Quellen und Quellbäche Gewässerkundliches Flächenverzeichnis