sqlplus extract question...

I'm creating an extract of some data that will be qa'd in an excel spreadsheet. I'm creating a comma delimited file and am including the column headings. There are about 60 columns from 5 or 6 tables. After (approximately) the fifteenth column, the headings become blank and I can't figure out why. The data is fine but the headings are missing. I'm not giving the columns any aliases or anything. Is this a setting in sqlplus? A quick look through my O'reilly sqlplus book didn't do me any good. Before I spend some significant time trying to figure out what is causing this, i thought i'd start here.

any ideas?

tia!

...sarcastism welcome (expected)! :)

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