Novomoskovsk

Formerly (until 1934)  Bobriki , or (1934–61)  Stalinogorsk  city, Tula oblast (province), western Russia, situated on the upper Don River. Founded in 1930 as Bobriki, the town developed as a major chemical centre, making fertilizers and plastics and mining lignite (brown coal). Pop. (1993 est.) 145,000.