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city, southeastern Democratic Republic of the Congo. It lies along the Likasi River, 86 miles (138 km) northwest of Lubumbashi, to which it is connected by road and rail. In 1892 Belgians discovered copper deposits at Likasi and at Kambove, 15 miles (24 km) northwest. Likasi was founded in 1917 and was designated an urban district in 1943. It is now one of the nation's most important mineral-processing centres, with plants for refining copper and cobalt. There are also chemical factories (sulfuric acid, glycerin) and a brewery. The city has an archaeological and mineral museum. Pop. (2004 est.) 367,219.