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COLUMBIA ENERGY GROUP PRER14A SEC Filings

Filed On Filing
13 Apr 2000 SCHEDULE 14A INFORMATION
12 Apr 2000 SCHEDULE 14A INFORMATION
10 Apr 2000 SCHEDULE 14A INFORMATION
04 Apr 2000 SCHEDULE 14A INFORMATION
04 Apr 2000 SCHEDULE 14A INFORMATION
31 Mar 2000 SCHEDULE 14A INFORMATION
02 Mar 1995 REVISED PRELIMINARY PROXY MATERIALS

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