The rational way to name rivers

[PhilGoetz]

I just read this in the Wikipedia article on the Mattaponi River and it really tickled me. If only all language were so rational!

• The Mat River and the Ta River join in Spotsylvania County to form the Matta River;

• The Po River and the Ni River join in Caroline County to form the Poni River;

• The Matta River and the Poni River join in Caroline County to form the Mattaponi River.