528 F.2d 1208, vacated and remanded.
Arthur W. Walenta, Jr., argued the cause for petitioners. With him on the briefs was John B. Clausen.
Mary C. Dunlap argued the cause and filed a brief for respondent. *
The judgment of the Court of Appeals, 528 F.2d 1208, is vacated and the cause remanded for further consideration in light of General Electric Co. v. Gilbert, 429 U.S. 125 (1976), and Nashville Gas Co. v. Satty, ante, p. 136, and for consideration of possible mootness.