The river is navigable for 770 m.; grain and a variety of goods conveyed from the upper Kama are floated down, while furs, fish and other products of the sea are shipped up the river to be transported to Cherdyn on the Kama.
Silver fox is one of the most valuable of all furs, as much as £480 having been given for an unusually fine pair of skins in 1902.
Sealskins and other furs, and whale and seal oil, are exported, and the herring fishery is very productive.
Sometimes a difference of meaning is indicated by difference of spelling though the sounds in the two words are identical, as in furs and furze.
Trade with Persia and India, as also with the Khazars and the Russians, and undoubtedly with Biarmia (Urals), was, however, their chief occupation, their main riches being furs, leather, wool, nuts, wax and so on.
