
    (No. 6157
    Humble Oil & Refining Company, A Corporation, Claimant, vs. State of Illinois, Various Agencies, Respondent.
    
      Opinion filed December 15, 1972.
    
    Giffin, Winning, Newkirk and Cohen, Attorney for Claimant.
    William J. Scott, Attorney General; William E. Webber, Assistant Attorney General, for Respondent.
   Per Curiam.  