The short answer is that you can't. You could, try the techniques suggested
at http://homepage.swissonline.ch/cindymeister/mergfaq1.htm#ComplexMerg
then split the resulting document
or you could create separate merges for each city

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Graham Mayor - Word MVP
Web site www.gmayor.com
Word MVP web site www.mvps.org/word
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> I have data in several rows of an Excel spreadsheet that I
> need to go onto one document. For example, several rows
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> merged Word document and all of those listed in Chicago on
> another document? Thanks for the help!