Sentence:  For further information , contact Small Business Administration Regional Offices in Atlanta , Ga. ; Boston , Mass. ; <WSD>Chicago</WSD> , Ill. ; Cleveland , Ohio ; Dallas , Tex. ; Denver , Colo. ; Detroit , Mich. ; Kansas City , Mo. ; Los Angeles , Calif. ; Minneapolis , Minn. ; New York , N.Y. ; Philadelphia , Pa. ; Richmond , Va. ; San Francisco , Calif. ; and Seattle , Wash. . 
Meaning of the word marked with <WSD> tags:  largest city in Illinois; a bustling Great Lakes port that extends 26 miles along the southwestern shoreline of Lake Michigan