PER CURIAM.
The petitions for writs of certiorari are granted and the judgments are vacated. The cases are remanded to the United States Court of Appeals for the Tenth Circuit for further consideration in light of the Permian Basin Area Rate Cases, 390 U.S. 747.
MR. JUSTICE DOUGLAS dissents.
MR. JUSTICE MARSHALL took no part in the consideration or decision of these cases.