Barnaul (bərnəōlˈ) [key], city (1989 pop. 602,000), capital of Altai Territory, SW Siberian Russia, on the Ob River. A port and major railway junction, Barnaul is in the heart of the Kulunda steppe, an agricultural area where wheat, corn, and sugar beets are grown. The city's chief industries produce cotton textiles, chemicals, artificial fibers, and machinery. Altai State Univ. is there. Barnaul was founded in 1771 as a silver-smelting center.