White Sea mostly targeting harp seal, ringed seal, herring, saffron cod, European smelt, Atlantic cod and Atlantic salmon. There is a developing seaweed industry. The White Sea is an important traffic centre of northwestern Russia, interconnecting various economic regions and providing an outlet to the foreign routes. The White Sea–Baltic Canal links it through Lake Onega to the Baltic Sea and the major city and port of Saint Petersburg. The Baltic Sea, in turn, is connected by the Volga–Baltic Waterway to the Volga River, Black, Caspian, and Azov seas. The major ports on the White Sea are Arkhangelsk, Belomorsk, Onega, Mezen, Kem,
Arkhangelsk Governorate Arkhangelsk Oblast (and later the Arkhangelsk Viceroyalty) was subdivided into seven uyezds (the administrative centers, which all had the town status, are given in parentheses), Mezen, Onega, and Pinega were incorporated as towns in 1780 just to become the uyezd towns. Kola was incorporated in 1784. In 1801, portions of the Povenetsky Uyezd were transferred to the Olonets Governorate, while the Kemsky Uyezd, with its center in Kem, was left to remain in the Arkhangelsk Governorate. In 1854, the town of Kola was destroyed during the Crimean War, and Kolsky Uyezd was merged into the Kemsky Uyezd. In 1883, the