50.554691 7.809599 50.555797 7.809970 50.554691 7.809599 50.555797 7.809970 50.554691 7.809599 50.554702 7.809697 50.554724 7.809796 50.554879 7.809900 50.554956 7.809903 50.555070 7.809828 50.555180 7.809789 50.555277 7.809780 50.555370 7.809827 50.555420 7.809872 50.555431 7.809909 50.555497 7.809942 50.555597 7.809970 50.555675 7.809961 50.555754 7.809909 50.555797 7.809892 195762 Entwicklung Quellen und Quellbäche Biotopkataster Flächen