Under the Soviet system, a person was banished from the Moscow Center (Red Square) by a distance of kilometers. The farthest being 7000 kilometers, or the Kolyma River in far Eastern Siberia. 1500 to 3000 kilometers usually meant the salt mines of [[Kazakhstan]]. 3500 to 5000 kilometers usually was the logging camps of the River Lena in central Siberia.<ref>An internal passport system reflected the number of kilometers a person was banned from the Moscow Center.</ref> | Under the Soviet system, a person was banished from the Moscow Center (Red Square) by a distance of kilometers. The farthest being 7000 kilometers, or the Kolyma River in far Eastern Siberia. 1500 to 3000 kilometers usually meant the salt mines of [[Kazakhstan]]. 3500 to 5000 kilometers usually was the logging camps of the River Lena in central Siberia.<ref>An internal passport system reflected the number of kilometers a person was banned from the Moscow Center.</ref> |