50.531577 7.437408 50.532315 7.442193 50.531577 7.437408 50.532315 7.442193 50.531737 7.442193 50.531763 7.442003 50.531762 7.441814 50.531757 7.441398 50.531713 7.441176 50.531577 7.440272 50.531602 7.439853 50.531678 7.439387 50.531748 7.438832 50.531845 7.438587 50.532125 7.437875 50.532315 7.437408 167660 Entwicklung Quellen und Quellbäche Biotopkataster Flächen