
    May 16, 1980.
    427 A.2d 248
    Bahls et al., Appellants v. Northern Pipe Line Co. et al.
    Submitted September 13, 1979.
    C. William Freed, Jr., for appellants;
    Jay H. Karsch, for appellee.
    Before SPAETH, HESTER and CAVANAUGH, JJ.
   The order of the lower court is hereby affirmed.  