Primorsky District, Arkhangelsk Oblast Novgorod Republic. Novgorod merchants reached the White Sea in the 13th century; the Pomors, who inhabit the White Sea coast now, are the descendants of the original Novgorod population. After the fall of Novgorod, the area became a part of the Grand Duchy of Moscow. Until the 1700s, Arkhangelsk was the main trading harbor for the sea trade of Russia and Western Europe, and the Northern Dvina was the main trading route connecting central Russia with Arkhangelsk. The traditional occupation of the population of the Dvina Bay was fishery and trade. Peter the Great drastically changed the situation, by founding
Arkhangelsk Oblast of the Northern Dvina and the Onega. The railroad construction gave the momentum to the population and exploitation of these areas. A branch from Konosha eastwards to Kotlas and further to Vorkuta was constructed in the 1940s to facilitate the transport of coal from the Komi Republic. From Kotlas, another branch continues south to Kirov. A branch from Obozersky to the west, to Onega and further to Belomorsk, was built during World War II to secure the transport of goods from the harbour of Murmansk to central Russia. A piece of railroad between Arkhangelsk and Karpogory was also built in