Öskemen (ös´kĬmĬn´), formerly Ust-Kamenogorsk (ŏŏst´-kəmyĬnəgôrsk´), city (1989 pop. 324,478), NE Kazakhstan, on the Irtysh River and in the foothills of the W Altai Mts. It is a river port and an industrial center with zinc, lead, and titanium-magnesium smelters. There is a large hydroelectric station nearby. The city was founded in 1720 as the Russian military outpost of Ust-Kamennaya.
"Öskemen." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (March 18, 2018). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/oskemen
"Öskemen." The Columbia Encyclopedia, 6th ed.. . Retrieved March 18, 2018 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/oskemen