
    June 9, 1975
    No. 74-1296.
    No. 74-1297.
    Water Transport Assn. et al. v. United States et al.; and American Waterways Operators, Inc., et al. v. United States et al.
   Affirmed on appeal from D. C. D. C.

Mr. Justice Powell took no part in the consideration or decision of these appeals.  