East Siberian Sea main land]. "On the North." A line from the Northernmost point of Wrangel Island (179°30'W) to the Northern sides of the De Long Islands (including Henrietta and Jeannette Islands) and Bennett Island, thence to the Northern extremity of Kotelni Island. "On the East." From the Northernmost point of Wrangel Island through this island to Cape Blossom thence to Cape Yakan on the main land (176°40'E). Because it is open towards the Arctic Ocean in the north, the main gulfs of the East Siberian Sea, like the Kolyma Bay, the Kolyma Gulf and the Chaunskaya Bay, are all located in its
East Siberian Railway Railway, and Ussuri Railway. In 1934, the East Siberian Railway became an independent administrative and economic unit extending from Mariinsk railway station to Mysovaya railway station. In 1936, the Krasnoyarsk Railway was excluded from the East Siberian Railway. In the 1920s-1930s, technical reconstruction of the railway was carried out and its locomotive and rolling stock were upgraded . Several new lines were also built over the ridges of Sayany, Alatau, taiga, and swamps towards coal and iron ore deposits, woodlands, and banks of large rivers. In 1922-1926, the Achinsk–Abakan line was constructed, which connected the southern areas of Krasnoyarsk Krai,