Sea-elephants and fur-seals were formerly plentiful.
They are drained and in large part enclosed by the North (or Belle Fourche) and South forks of the Cheyenne river (at whose junction a fur-trading post was established about 1830); and are surrounded by semi-arid, alkaline plains lying 3000 to 3500 ft.
The system has already been put into practice in Germany by the Gesellschaft fur drahtlose Telegraphie, and in the United States by R.
Fur rather harsh and bristly.
There is a good deal of variation in the colour of the fur, the prevailing tint being grey.