| Filed On | Filing |
|---|---|
| 09 Mar 2005 | ANNUAL REPORT |
| 19 Mar 2004 | ANNUAL REPORT |
| 03 Mar 2003 | FORM 10-K COLUMBIA ENERGY GROUP |
| 28 Mar 2001 | FORM 10-K COLUMBIA ENERGY GROUP |
| 02 Mar 2000 | COLUMBIA ENERGY GROUP FORM 10-K |
| 26 Mar 1999 | COLUMBIA ENERGY GROUP FORM 10-K |
| 18 Mar 1998 | COLUMBIA ENERGY GROUP FORM 10-K |
| 14 Mar 1997 | FORM 10-K THE COLUMBIA GAS SYSTEM, INC. |
| 23 Feb 1996 | FORM 10-K, THE COLUMBIA GAS SYSTEM, INC. |
| 06 Mar 1995 | FORM 10-K, THE COLUMBIA GAS SYSTEM, INC. |
| 11 Mar 1994 | FORM 10-K FOR THE PERIOD ENDING DECEMBER 31, 1993 |
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