Complex sentence: From 1932 to 1953 it was the administrative center of the Dalstroy concern and its corrective labor camp system; it served as a port for exporting gold and other metals mined in the Kolyma region.
Split into simpler sentences: From 1932 to 1953 it was the administrative center of the Dalstroy organisation and its corrective labor camp system. The city later served as a port for exporting gold and other metals mined in the Kolyma region.