East Siberian Sea runoff into the East Siberian Sea is relatively small at about 250 km/year that makes only 10% of the total runoff in all the Arctic seas of Russia. The largest contribution is from the Kolyma River at 132 km, followed by the Indigirka River at 59 km. Most runoff (90%) occurs in summer; it is concentrated near the coast, owing to the weak river currents, and therefore does not significantly affect the sea hydrology. The water exchange between the neighboring seas is as follows. The annual outflow to the Laptev Sea, Chukchi Sea and Arctic Ocean is 3,240, 6,600 and
East Siberian Railway in the world (). The station building at Slyudyanka railway station of the East Siberian Railway is the only railway station in the world made completely of marble. East Siberian Railway The East Siberian Railway () is a railway in Russia (a branch of the Russian Railways and a part of the Trans-Siberian Railway), which runs across Irkutsk Oblast, Chita Oblast, Buryatia, and Yakutia. The railway administration is located in Irkutsk. The East Siberian Railway borders with the Krasnoyarsk Railway (railway station of Yurty), Trans-Baikal Railway (railway station of Petrovsky Zavod), and Baikal Amur Mainline (railway station of Lena-Vostochnaya). To