The lakes are sometimes used for water power plants, especially the large northern rivers and lakes.
It is one of the major northern Swedish rivers, with a length of 410 kilometers.
Like many large northern rivers, it has been cultivated for water power.
Salmon fishing on the northern rivers is conducted under a set of ancient rituals and traditions.
The Tumen and other northern rivers also provided transport.
Caradoc narrowed his eyes against the sting of it, looking out past the workshops to the ruffled ribbon of the northern river.
The project of turning some of the flow of the northern rivers to the south was discussed, on a smaller scale, in the 1930s.
Since eagles feed on fish, they migrate south to open water when the northern rivers and lakes freeze.
A few examples include northern rivers, the Everglades and Louisiana.
Being on a northern river, its port froze during the winter, and it could not take the largest ocean-going ships.