DUQUESNE, a city of Allegheny county, Pa., U.S.A., on the Monongahela river, I 2m. S.E. of Pittsburgh ; served by the Penn sylvania railroad. The population was 19,011 in 192o, of whom 5,
were foreign-born white (largely from central and eastern Europe), and was 21,396 in 193o by the Federal census. It is an important steel-manufacturing centre, with a total production in 1927 of about 1,200,000 gross tons of pig iron, 1,500,00o tons of ingots and 950,00o tons of merchant bars. Duquesne was settled in 1885, incorporated as a borough in 1891 and chartered as a city in 1917.
a city of Perry county, Ill., U.S.A., in the fertile agricultural and coal-mining region south-east of Saint Louis; on Federal highway 51 and the Illinois Central railroad. The popula tion was 7,285 in 192o (86% native white) and was 7,593 in 193o by the Federal census. It is a shipping point for coal, grain, live stock, fruit, and the home of the Southern Illinois State fair. Its manufacturing industries include flour and planing mills, ma chine shops, a shoe factory and a meat-packing plant. The largest strip coal mines in the country are here. The city was settled about 1845 and incorporated in 186o.
