A city of eastern Iowa on the Mississippi River opposite the Illinois-Wisconsin border. It was first settled permanently in 1833 and is the oldest city in the state. Population,57,546.

• 杜布克，美国衣阿华州东部城市，位于密西西比河畔，对岸是伊利诺斯－威斯康星边境，1833年成为永久殖民地，是该州最古老的城市。人口57，546。