Anzhero-Sudzhensk (unzhe"ru–sOO'jensk) [key], city (1989 pop. 108,000), SW Siberian Russia, on the Trans-Siberian RR. One of the oldest and largest coal-mining centers of the Kuznetsk Basin, the city was developed as a source of coal for the railroad. Mining equipment, window glass, and pharmaceuticals are manufactured there.