ANR PIPELINE CO

FY: Dec 31 2006

Q: Sep 30 2006

Q: Jun 30 2006

Q: Mar 31 2006

FY: Dec 31 2005

FY: Dec 31 2004

Q: Sep 30 2005

Q: Jun 30 2005

Q: Mar 31 2005

FY: Dec 31 2004

Q: Sep 30 2004

Q: Jun 30 2004

Q: Mar 31 2004

FY: Dec 31 2003

Q: Sep 30 2003

Q: Jun 30 2003

Q: Mar 31 2003

FY: Dec 31 2002

Q: Mar 31 2003

FY: Dec 31 2002

5.01

Entry into a Material Definitive Agreement

1.01,2.01,8.01,9.01

1.01,9.01

Changes in Registrant.s Certifying Accountant

4.01,9.01

1.01,2.03,8.01,9.01

5,7

5,7

5

5,7

2,7

5,7

2,7

5,7

7,9

4,7

1,7

Current report pursuant to Section 13 or 15(d)

Current report pursuant to Section 13 or 15(d)

No description available

No description available

Prospectus Supplement for Primary Offering

Registration statement under Securities Act of 1933

No description available

Prospectus Supplement for Delayed or Continuous Offering

Prospectus Supplement for Delayed or Continuous Offering

Notification of the removal from listing and registration of matured redeemed or retired securities (amendment)

Notification of the removal from listing and registration of matured redeemed or retired securities

Correspondence with the SEC

Letter from the SEC

Correspondence with the SEC

Letter from the SEC