
    (No. 5716
    Clark Oil and Refining Corporation, Claimant, vs. State of Illinois, Department of Public Safety, Respondent.
    
      Opinion filed May 11, 1971.
    
    Clark Oil and Refining Corporation, Claimant, pro se.
    William J. Scott, Attorney General; William E. Webber, Assistant Attorney General, for Respondent.
   Perlin, C.J.  