- Brief for the Federal Power Commission
- Brief of Colorado Interstate Gas Company
- Brief of Colorado Interstate Gas Company in Opposition
- Petition for a Writ of Certiorari to the United States Court of Appeals for the Tenth District
- Reply Brief for the Federal Power Commission
- Transcript of Record, Part 1
- Transcript of Record, Part 2
- Transcript of Record, Part 3
- Transcript of Record, Part 4