Lüder Jossa, tributary of the Sinn Jungfernbach, tributary of the Ahne Jungfernbach, tributary of the Esse Kahl Kainsbach Kalbach Kälberbach Kaltes Wasser...

Germany were professors Klaus Heitman, Paul Miron and his assistant Elsa Lüder, and some of their students. While accompanying them on their visit to the...