what rivers have a drainage basin area under 50 km2?
feudinge (ruppersbach), ilse, banfe, laasphe, dautphe, bieber, wetzbach, iserbach (mottbach), emsbach
which rivers with drainage basins under 50 km2 are under 10 km in length?
feudinge (ruppersbach), ilse, banfe, laasphe, dautphe
which sub 10km rivers have a drainage basin over 50 km2 and a confluence of more then 10?
ilse, banfe, laasphe, dautphe
which sub 10km rivers have a drainage basin over 50 km2 and a confluence of more then 10 has the highest mouth by elevation?
ilse