From what I can find on maps on the internet is Rambala is south of Rio Guarumo by about 2 miles....They are both on the same side of the river as well....Who knows....Completely possible. Perhaps they are separated by a river. That was the case with Guarumo and Rio Branco wasn't it?
pumilio are always so confusing...
Trying to wrap your head around pumilio will make you go nuts....truth!